Weaver ants help flowers get the best pollinator

MOST flowers don't want pesky ants hanging around scaring away would-be pollinators. Not so the Singapore rhododendron - the first flower found to recruit ants to chase poor pollinators away.

Francisco Gonzálvez at EEZA, the arid zone experimental station in Almeria, Spain, and colleagues studied flowers frequented by large carpenter bees (Xylocopa) and a much smaller solitary bee, Nomia. The larger bees seemed to be better pollinators - setting far more fruit than the smaller bees.

The team found that Nomia avoided plants with weaver ant patrols, and when they did dare to land, were chased away or ambushed by the ants. Being so much bigger, carpenter bees weren't troubled by the ants (Journal of Ecology, DOI:10.1111/1365-2745.12006).

Plants usually produce chemical repellents to scare off insects that prey on their pollinators. But lab tests suggested Gonzálvez's flowers were actively attracting weaver ants, although how remains a mystery. The team thinks carpenter bees choose flowers with ants so they don't have to compete with Nomia.

Michael Kaspari of the University of Oklahoma in Norman says this is a new kind of plant-ant interaction, and that the team makes a "strong case" for the rhododendron manipulating the behaviour of weaver ants to ward off inefficient pollinators.

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Special envoy to attend hearing in Ionescu's trial

SINGAPORE: Singapore's Special Envoy to Romania, Mr Ong Eng Chuan, will attend the next hearing in the trial of former Romanian diplomat, Silviu Ionescu, when it resumes on December 3.

The Ministry of Foreign Affairs said he will be accompanied by a representative from the Attorney-General's Chambers of Singapore.

Ionescu, the former Romanian Charge d'Affaires in Singapore, is on trial for two hit-and-run accidents in Singapore in 2009 which left one person dead and two others injured.

- CNA/xq

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McAfee nabbed? His blog says maybe, following CNN interview

The bizarre real-life potboiler concerning on-the-lam antivirus-software pioneer John McAfee continued today, as -- following a cloak-and-dagger CNN interview with the fugitive -- McAfee's own blog posted an item saying he may have been captured at the Belize-Mexico border.

The item, pictured above and reported earlier by news agency AFP, says little more than that and calls the report of the capture "unconfirmed." We'll update this post -- or link to a new, separate story -- when we know more.

Earlier, CNN managed to track McAfee down for an on-camera interview somewhere in his longtime country of residence, Belize -- where he's in hiding after his neighbor was shot to death. A CNN article accompanying an online video of the interview says its reporter had to provide a secret password and partake in a secret-agent-like, twisting-and-turning
car ride to get to the millionaire turned mystery man.

In the brief interview, which you can check out here, McAfee says, "I will certainly not turn myself in, and I will certainly not quit fighting. I will not stop my blog." He says he'll either get arrested or get away and clarifies that "Get away doesn't mean leave the country. It means they will, No. 1, find the murderer of Mr. Faull and, No. 2, the people of this country -- who are by and large terrified to speak out -- start speaking out,"

McAfee has been on the run since November 12, when his neighbor Gregory Faull was discovered with a bullet in his head. McAfee and Faull had reportedly had run-ins with each other over McAfee's dogs and armed security guards. In an interview with Wired that same day, McAfee said he thought the killers had actually been looking for him and not Faull.

Other aspects of the tale include the fact that the 67-year-old McAfee's home was raided in May and that police said they found multiple unlicensed firearms and McAfee with a 17-year-old girl. They also said he was manufacturing an antibiotic in his home without a license. McAfee's blog provides another unusual twist. Apparently begun about a week after Faull's murder, it includes entries from McAfee himself about his flight. In one such post, McAfee writes that he is traveling with a 20-year-old woman named Samantha, whom he credits with helping to keep him fed, clothed, and in hiding:

"She has also helped me evade detection by grabbing me and kissing me, in public, in a fashion that causes passerby's to feel embarrassment at the thought of staring and by creating emotional scenes that cause the curious to momentarily forget what they were looking for," he wrote. "She is acutely aware of her surroundings and is as street smart as a sober hobo."

Today's CNN report noted that police in Belize have said they don't consider McAfee a suspect in the killing; they want him only for questioning. The news agency also noted that McAfee maintains that his troubles began when he refused to bribe a government official and that he will be killed if he's arrested.

Again, the post on McAfee's whoismcafee.com/The Hinterland blog says the report of McAfee's capture is unconfirmed, so it remains to be seen if it turns out to be true. If nothing else, however, the post adds yet another chapter to this strangely unfolding tale.

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Photos: Kilauea Lava Reaches the Sea

• 
  
  
  
  
  
  
  

  Into the Sea

  Photograph by Hugh Gentry, Reuters

  A spectacular natural phenomenon was on display early this week as lava from a vent in Hawaii's Kilauea volcano flowed into the ocean, sending up plumes of steam as it made contact with the waves.

  Though lava can still be viewed from Kalapana near the Big Island's Hawai'i Volcanoes National Park, ocean entry is no longer occurring, according to the National Park Service.

  Published November 30, 2012

  
  











• 
  
  
  
  
  
  
  

  Sea of Fire

  
  Photograph by Hugh Gentry, Reuters
  

  The lava traveled 7 miles (11 kilometers) from Kilauea’s Pu'u O'o vent to the ocean. When lava reaches the water, it cools and hardens, forming a lava delta that can be dangerous to nearby onlookers, according to Reuters.

  The news service reported that no communities on the Big Island were threatened by the lava flow.

  Published November 30, 2012

  
  











• 
  
  
  
  
  
  
  

  Volcanic Flare

  
  Photograph by Hugh Gentry, Reuters
  

  A burst of volcanic activity erupts from Kilauea’s crater in Hawai’i Volcanoes National Park on November 27.

  The volcano has been erupting continuously for nearly 30 years. No major damage has been suffered by a town since 1986, according to Reuters.

  Published November 30, 2012

  
  











• 
  
  
  
  
  
  
  

  Fiery Encounter

  Photograph by Hugh Gentry, Reuters

  “Ocean entries are beautiful but dangerous,” said Janet Babb, spokeswoman for the U.S. Geological Survey's Hawaiian Volcano Observatory, in a statement reported by Reuters. She warned that the steam could be more hazardous than it appears.

  Published November 30, 2012

  
  











• 
  
  
  
  
  
  
  

  Point of Contact

  
  Photograph by Matt Northam, My Shot
  

  A plume of smoke billows where lava from Kilauea meets the sea in this aerial photo taken November 27.

  Published November 30, 2012

  
  











• 
  
  
  
  
  
  
  

  Photograph by Peter Vancoillie, Your Shot

  Published November 30, 2012

  
  

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Wikileaks Case: Guards Deny Intimidating Manning

(Brendan Smialkowski/AFP/Getty Images)

Bradley Manning’s former guards testified today that they did not intimidate the man accused of leaking hundreds of thousands of classified cables to the anti-secrets website Wikileaks during  a Jan. 18, 2011 incident that resulted in Manning being placed on a temporary suicide risk watch.

Manning’s attorneys cite the event as a key reason why his pre-trial confinement at the Marine brig in Quantico, Va., was unlawful and warrants the dismissal of the charges against him.

Manning faces life imprisonment on charges that he leaked the classified military and diplomatic cables to Wikileaks.  Details of those charges will come at a trial scheduled for February and are not being discussed at this week’s hearing, which is focused on his nine-month confinement at Quantico from July 2010 to April 2011.

On Jan. 18, 2011 Manning was being moved to his daily “recreation call” in a room at the brig when he experienced an apparent anxiety attack.  Manning said Thursday the guards escorting him seemed to have an aggressive attitude that made him feel nervous and ultimately feel faint.

Manning testified Thursday that he “lost my demeanor” during a later discussion with brig officials about the incident that led them to place him on temporary suicide risk watch.

Former Marine guards Lance Corporal Joshua Tankersly and Lance Corporal Jonathan Cline testified today that Manning had been moving around while his hand and leg restraints were placed on him for the escort to the exercise room.  They said they reminded Manning that he should respond properly to their orders by referring to their ranks when he answered them.

When Manning entered the recreation room they described a situation in which Manning fell backwards and landed on his backside.

They then said that when out of his leg restraints Manning ran to a weightlifting machine, hid behind it and began to cry.  Both Cline and Tankersly said they could not explain Manning’s behavior.  Both guards were ordered to leave the room and were replaced by two other guards who escorted Manning back to his cell.

Cline said he was puzzled when a supervisor later told him “we intimidated him or something like that.”

Each guard said he could not recall if they sounded harsh when they talked to Manning on the way to the exercise room.

They both said that aside from the January incident, Manning was courteous and professional in his interactions with them.  Both described him as an average prisoner, though Tankersly acknowledged that Manning was a high profile detainee who had the attention of high-ranking officials at the base.

“It’s hard to put ‘average’ on such a high profile, when you have higher ups on base come and check through to that see all was OK,” Tankersly said.

Gunnery Sgt. William Fuller, one of the senior officers at the brig, also testified today about his participation in a Classification and Assessment board that routinely assessed whether Manning’s Maximum Custody and Prevention of Injury status should be downgraded. The board never reduced Manning’s status during his stay.

Fuller acknowledged that before the January incident he and another brig official had considered a downgrade because Manning was “doing pretty good.”

He said the Jan. 18incident “kind of reset things … we had to keep him on Prevention of Injury.”

Fuller also cited Manning’s quiet interactions with him as a reason for keeping Manning on that status.

According to Fuller “he wouldn’t communicate … it seemed like he didn’t really want to talk” and that concerned him, given training he had received that being withdrawn could be an indicator of suicidal behavior.

Fuller admitted that the conversations were really just quick interactions to see how Manning was doing..  When asked to provide examples of longer exchanges he had with other prisoners, Fuller provided brief sentences.  That led David Coombs, Manning’s defense attorney to say sarcastically, “so if he’d thrown in more words then he would have classified as a Chatty Patty?”

Manning’s attorneys claim that a protest on Jan. 17 by Manning supporters, at the entrance to the base, may have motivated an aggressive attitude towards the detainee.

Cline recalled other guards “were annoyed” by the protest” because it would close parts of the base and hinder or interrupt how they got home.”  But Tankersly said the protest had no impact on Manning’s treatment.

Read More..

Today on New Scientist: 30 November 2012

Dinosaurs might have once gazed into the Grand Canyon

It had been thought that the canyon formed 6 million years ago, but now two geologists say it is actually closer to 70 million years old

Saturn's rings may double up as a moon factory

A new model suggests Saturn's famous rings spawned the planet's moons. Could the mechanism explain the moons of Uranus, Neptune and even Earth?

Gaming the future: the best of 2012

New Scientist looks back at the video games that explored the boundaries of science and technology this year

Friday Illusion: Mystery mirror reveals missing banana

A prize for the first person to figure out how a strange mirror image remains in view

Syria again disconnects nation from the internet

Once again, the Syrian government appears to have pulled the plug on the internet, cutting off its citizens from the rest of the world

Crowdfund your area's projects one brick at a time

As the recession bites and budgets are cut, websites are springing up that allow citizens to club together to fund everything from parks to bridges

Omniphobia: the stuffs that stick at nothing

Whether it's water, oil, ketchup or ants, materials that repel everything that touches them are on the way, says Jessica Griggs

Feedback: Commas in breach of copyright

Why these words break the law, impure apples, Google rewrites the history of everything, and more

A quantum of... We want to see your movies!

The deadline for the Quantum Shorts Film Competition is hard on us and we've already had some amazing entries - submit yours before Sunday

LHC sees hint of high-speed particle pancake

Purely by accident, the Higgs-boson-hunting Large Hadron Collider may have stumbled upon a rare state of matter called a colour-glass condensate

Social bee-haviour: The secret life of the hive

Bees have a brain the size of a pinhead, yet their daily activities rival the range of behaviours seen in many mammals

Florida pet spa mystery link to China's great firewall

China's censors have innovative ways of stopping its citizens accessing banned websites, including poisoning internet servers

Giant tortoises bounce back in the Galapagos

A slow and steady rescue mission has seen the population of the iconic creatures on Española Island leap from just 12 into the thousands

Messenger finds hints of ice at Mercury's poles

The innermost planet of the solar system could harbour a small polar habitable zone - but the chances of finding life there are remote

Projections of sea level rise are vast underestimates

Estimates made by the Intergovernmental Panel on Climate Change in 2007 were wildly wrong

Read More..

S Korea exports rise beyond market forecast

SEOUL: South Korea's exports expanded for a second straight month in November, picking up pace well beyond market expectations, according to the latest government data.

Exports grew 3.9 per cent on-year to US$47.80 billion in November as imports rose 0.7 per cent on-year to US$43.32 billion, leaving a US$4.48 billion trade surplus, the Ministry of Knowledge Economy said.

In October, exports posted a revised 1.1 per cent rise after three months of contraction as imports registered a revised 1.7 per cent gain on-year in the same month.

The November export reading was well above the median forecast of 2.6 per cent rise, based on a Dow Jones Newswires survey of nine experts.

But the imports reading was below the median forecast of a 1.3 per cent gain in the same survey. The poll had forecast a US$3.4 billion trade surplus.

- AFP/xq

Read More..

Android-based Ouya game console shipping soon

Early birds get their hands on Ouya after December 28.

(Credit:
Ouya)

Let the gamers,
Android nuts, and open-source geeks rejoice -- the Ouya is shipping on time!

Well, at least the developers' consoles are, that is. Ouya first garnered attention by raising more than $8.5 million on Kickstarter this summer to create an inexpensive, open-source, Android-based game system.

Early supporters of the crowdfunding campaign got first dibs on a finished Ouya for as little as $95, but those aren't scheduled to ship until March. However, the hundreds of folks who ponied up $699 or more for a first-run, rooted developers' system with early SDK access get to experience Christmas twice in the same week when their consoles ship on December 28.

If creators of the Ouya do fulfill their original commitment to ship the dev kits in December, they'll deserve kudos. Plenty of other Kickstarter-funded projects have run into snags meeting original timelines and commitments -- the Pebble watch is now months late on its original ship date and still working out production issues, for example.

Ouya points out that all consoles will actually be dev kits, but the late December batch is a special group that cost more to produce and give big early backers a first crack at working with the platform. The only catch for developers is that at least some part of the game play has to be available for free, be it a demo or the whole shebang.

Ouya is also working on its own ODK (Ouya development kit) that game designers will be able to access. At the same time, Ouya says it's been busy optimizing Android Jelly Bean for gameplay on a large screen.

If Ouya takes off, 2013 could be a year in which a certain segment of the population gets even less exposure to the sun than in the past.

If you missed out on the first Ouya rush, there's still a chance to get in on the ground floor noob level. Ouya is giving away 10 developers' consoles next month.

Read More..

Photos: Kilauea Lava Reaches the Sea

• 
  
  
  
  
  
  
  

  Into the Sea

  Photograph by Hugh Gentry, Reuters

  A spectacular natural phenomenon was on display early this week as lava from a vent in Hawaii's Kilauea volcano flowed into the ocean, sending up plumes of steam as it made contact with the waves.

  Though lava can still be viewed from Kalapana near the Big Island's Hawai'i Volcanoes National Park, ocean entry is no longer occurring, according to the National Park Service.

  Published November 30, 2012

  
  











• 
  
  
  
  
  
  
  

  Sea of Fire

  
  Photograph by Hugh Gentry, Reuters
  

  The lava traveled 7 miles (11 kilometers) from Kilauea’s Pu'u O'o vent to the ocean. When lava reaches the water, it cools and hardens, forming a lava delta that can be dangerous to nearby onlookers, according to Reuters.

  The news service reported that no communities on the Big Island were threatened by the lava flow.

  Published November 30, 2012

  
  











• 
  
  
  
  
  
  
  

  Volcanic Flare

  
  Photograph by Hugh Gentry, Reuters
  

  A burst of volcanic activity erupts from Kilauea’s crater in Hawai’i Volcanoes National Park on November 27.

  The volcano has been erupting continuously for nearly 30 years. No major damage has been suffered by a town since 1986, according to Reuters.

  Published November 30, 2012

  
  











• 
  
  
  
  
  
  
  

  Fiery Encounter

  Photograph by Hugh Gentry, Reuters

  “Ocean entries are beautiful but dangerous,” said Janet Babb, spokeswoman for the U.S. Geological Survey's Hawaiian Volcano Observatory, in a statement reported by Reuters. She warned that the steam could be more hazardous than it appears.

  Published November 30, 2012

  
  











• 
  
  
  
  
  
  
  

  Point of Contact

  
  Photograph by Matt Northam, My Shot
  

  A plume of smoke billows where lava from Kilauea meets the sea in this aerial photo taken November 27.

  Published November 30, 2012

  
  











• 
  
  
  
  
  
  
  

  Photograph by Peter Vancoillie, Your Shot

  Published November 30, 2012

  
  

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Could Outgoing Republicans Hold Keys to 'Cliff' Deal?

Nov 30, 2012 1:45pm

AP Photo/Carolyn Kaster

The outlook for reaching some sort of bipartisan agreement on the so-called “fiscal cliff” before the Dec. 31 deadline is looking increasingly grim. Shortly after noon today, House Speaker John Boehner, R-Ohio, appeared before the cameras to say the talks had reached a “stalemate.”

But there may be a glimmer of hope. There are currently 33 outgoing members of Congress — they’re either retiring or were defeated last month — who have signed the Grover Norquist pledge stating that they will not raise taxes. Those members, particularly the ones who have traditionally been somewhat moderate, could hold the key to that stance softening.

“You have 33 people who do not have to worry about the future political consequences of their vote,” said ABC political director Amy Walter. “These are people who theoretically can vote based purely on the issue rather than on how it will impact their political future.”

One outgoing member has publicly indicated a willingness to join with Obama and the Democrats on a partial deal.

“I have to say that if you’re going to sign me up with a camp, I like what Tom Cole has to say,” California Republican Rep. Mary Bono Mack said on CNN on Thursday. Cole is the Republican who suggested that his party vote to extend the Bush tax-rates for everyone but the highest income earners and leave the rest of the debate for later. Mack’s husband, Connie, however, also an outgoing Republican member of Congress, said he disagreed with his wife.

But in general, among the outgoing Republican representatives with whom ABC News has made contact, the majority have been vague as to whether or not they still feel bound by the pledge, and whether they would be willing to raise tax rates.

“[Congressman Jerry Lewis] has always been willing to listen to any proposals, but there isn’t,” a spokesman for Rep. Lewis, Calif., told ABC News. “He’s said the pledge was easy because it goes along with his philosophy that increasing tax doesn’t solve any problems. However, he’s always been willing to listen to proposals.”

“Congressman Burton has said that he does not vote for tax increases,” a spokesman for Dan Burton, Ind., said to ABC.

“With Representative Herger retiring, we are leaving this debate to returning members and members-elect,” an aide for Wally Herger, Calif., told ABC News.

The majority of Congress members will likely wait until a deal is on the table to show their hand either way. However, it stands to reason that if any members of Congress are going to give in and agree to raise taxes, these would be the likely candidates.

An agreement will require both sides to make some concessions: Republicans will need to agree to some tax increases, Democrats will need to agree to some spending cuts. With Republicans and Democrats appearing to be digging further into their own, very separate territories, the big question is, which side will soften first?

Read More..

Projections of sea level rise are vast underestimates

Expect more water to lap at your shores. That's the take-home message from two studies out this week that look at the latest data on sea level rise due to climate change.

The first shows that current projections for the end of the century may seriously underestimate the rise in global sea levels. The other, on the ice sheets of Greenland and Antarctica, looks at just how much of the water stored up there has been moving into the oceans.

Both demonstrate that global warming is a real and imminent threat.

What mechanisms could lead to a rise in global sea level as climate change warms the planet?
There are four major mechanisms: the thermal expansion of oceans in a warming world; the loss of ice from the Greenland and Antarctic ice sheets; the melting of mountain glaciers and ice caps (such as those in the Himalayas); and the extraction and discharge of groundwater.

What is the latest on sea level rise?
One of the two new studies shows that last report of the Intergovernmental Panel on Climate Change (IPCC), published in 2007, vastly underestimated actual sea level rise. That's because the IPCC's fourth assessment report (AR4) did not include contributions from the melting of the Greenland and Antarctic ice sheets.

So, for the years 1993-2011, the IPCC estimated that sea level would rise by about 2 millimetres a year. But the satellite data from that period now tell a different story.

Stefan Rahmstorf of the Potsdam Institute for Climate Impact Research in Germany and colleagues compared IPCC AR4 projections with actual measurements and found the projections lagging behind what was happening in the real world. Global sea level has been rising at about 3.2 millimetres a year over the past two decades (Environmental Research Letters, doi:10.1088/1748-9326/7/4/044035).

Why the discrepancy?
The likely culprits are continental ice sheets. "[In IPCC models], the two big ice sheets in Greenland and Antarctica contribute nothing to future sea level rise, because they assume that the mass loss from Greenland is balanced by ice gain in Antarctica due to higher snowfall rates," says Rahmstorf.

But satellite data show that the ice sheets are losing ice to the oceans.

If the models have not accurately reproduced what happened in recent years, it is likely that their projections for the future are not correct either. Since 2007, the IPCC has recognised this. Its initial projection of a maximum sea level rise of 60 centimetres by 2100 has been upped to include an additional 20-centimetre rise due to ice sheets melting. This effect comes from simplified models of what the ice sheets are doing, however, so even the updated projections could be off the mark and sea level rise could potentially be greater still.

So, what do the latest satellite readings tell us about ice sheets?
They tell us that the melting in Greenland is not offset by gain of ice in Antarctica. Andrew Shepherd of the University of Leeds, UK, and colleagues combined data from three independent types of satellite studies to lessen uncertainties and remove year-to-year variability.

"It's probably now the best overall and most comprehensive estimate of what the ice sheets are doing and what they have been doing for the last 20 years," says team member Ian Joughin of the University of Washington in Seattle.

And the data are clear: from 1990 to 2000, the melting of Greenland and Antarctic ice sheets added about 0.25 millimetres a year to global sea level rise. For 2005-2010, that number has increased to about 1 millimetre a year (Science, http://dx.doi.org/10.1126/science.1228102"

This is a concern, says Joughin. "It shows an accelerating increase of mass loss."

Is there a difference in how Greenland and Antarctica are reacting to global warming?
Yes. Greenland is losing the most ice, causing sea level to rise by about 0.75 millimetres per year. What's happening in Antarctica is more nuanced. East Antarctica is gaining mass because of increased snowfall, but this is more than offset by the loss of ice from West Antarctica, particularly along the Amundsen Coast, where warm water is melting ice shelves from beneath. This is leading to thinning and speed-up of glaciers, such the Pine Island and Thwaites glaciers.

How much will the extraction of groundwater for irrigation add to the sea level?
Until now, sea level rise from the extraction of groundwater (which eventually ends up in the sea) has been countered by dams built on rivers over the last century, which hold water back on land. But the best sites for dams have now been utilised, so we can't expect to store more water on land.

As we extract more groundwater for irrigation – a trend that could increase as climate change causes droughts – it could add up to 10 centimetres to the sea level by 2100, according to Rahmstorf. "This will become a net contribution to sea level rise in the future," he says. "Not big, but not negligible."

If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.

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Longer jail term for lawyer who misappropriated clients' money

SINGAPORE: The High Court has imposed a longer imprisonment term for disgraced lawyer Tan Cheng Yew, who misappropriated S$4.82 million of his clients' money.

Tan now has to serve 12 years' jail instead of the original nine.

Tan was on the run for six years after he misappropriated the money.

He was arrested in Munich, Germany, in 2009 and extradited to Singapore.

The public prosecutor told Justice Lee Seiu Kin that the highest sentence was six years, where a lawyer absconded with close to S$2 million.

DPP Tan Ken Hwee said in Tan Cheng Yew's case, the sentence of nine years' jail "was manifestly inadequate".

In making his judgement, Justice Lee said as an advocate of law, a lawyer is granted exclusive rights and trust.

He said the court will not hesitate to impose a strong sentence in this case.

- CNA/xq

Read More..

Acura seeks flagship status for new RLX model

Acura's new RLX model features an impressive set of technologies, and a few quirks.

(Credit:
Josh Miller/CNET)

LOS ANGELES - Once upon a time, Acura pushed the cutting edge of cabin technology, pioneering such features such as navigation and active noise cancellation. But times changed and Acura didn't, letting other automakers steal the high-tech mantle. Now Acura fights back with the RLX, a new high-end sedan with some odd quirks.

By and large, premium and luxury automakers use rear-wheel-drive for their flagship sedans, an architecture maintained more out of tradition than real necessity. Acura has alway bucked this trend, and continues to do so with the RLX. This model will launch as a front-wheel-drive
car sporting a 3.5-liter direct injection engine.

But current standards, that specification is nothing to write home about, as even economy car makers go to direct injection. However, later next year Acura promises a much higher tech drivetrain, this one incorporating a hybrid system and all-wheel-drive. The 3.5-liter V-6 will remain, and get added power from an electric drive system at the rear wheels. As with other hybrids, the battery pack will recapture energy that would have been lost from braking.

The hybrid version should not only add significant power, but Acura estimates it will get 6 mpg better for average fuel economy than the front-wheel-drive V-6 version.

Acura boasts a few intriguing technologies for the new sedan. For one, it will come with LED headlights standard, wide arrays that bookend the Acura shield grille. LED headlights use much less power than current bi-xenon lamps, and should last much longer, as well. In addition, LED headlights allow for a more tightly defined throw pattern.

The front-wheel-drive model will also get an innovative handling technology, four wheel steering. Acura calls this system Precision All-Wheel Steer. It is designed to work in concert with traction control and stability technologies to allow for fast, stable cornering. The all-wheel-drive hybrid version will not feature this technology, but should offer torque vectoring at the rear wheels.

The exterior of the RLX looks unremarkable, a long, smooth-sided sedan with little ornamentation. Its most distinguishing features are its grille and headlights. However, what could be seen as lack of flair becomes understatement when you sit in the cabin, which exudes a sense of luxury through its materials and design.

Most telling for the luxury experience is an optional 14 speaker Krell audio system, a step up from the standard 10 speaker ELS system. During an in-car demo on the show floor, the system delivered an incredibly dynamic audio experience. Playing tracks with traditional instruments on an Acura demo CD, the entire range of a single note from a bass guitar came through clearly, while the vocal reproduction made it sound like the singers were in the car. For those who appreciate music, this system will offer plenty of satisfaction.

Krell is not a generally familiar name, playing in the high-end audio world. The company spent four years during the development of the RLX, coming up with speaker technologies and placement, and refining the system's output. Beyond its sound quality, the system announces its presence with nice, metal grilles on the door speakers.

The dashboard of the RLX on display in Los Angeles had two LCDs in the center stack, which was reminiscent of the 2013 Accord model recently launched by Honda. In the Accord, the screen arrangement is an inelegant solution to building cars with and without a navigation option. For the RLX, Acura should have either made navigation standard, and consolidated infotainment on one screen. Alternatively, the company could have just made a single screen host only phone and audio information when the navigation option was not present. The two screen system is a little strange.

The RLX will also offer a host of driver assistance features, from blind spot monitoring to adaptive cruise control, helping it compete with other luxury flagships.

The front-wheel-drive RLX model should go on sale in the first half of 2013, with the hybrid model following in the second half.

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Pictures: Inside the World's Most Powerful Laser

Photograph courtesy Damien Jemison, LLNL

Looking like a portal to a science fiction movie, preamplifiers line a corridor at the U.S. Lawrence Livermore National Laboratory's National Ignition Facility (NIF).

Preamplifiers work by increasing the energy of laser beams—up to ten billion times—before these beams reach the facility's target chamber.

The project's lasers are tackling "one of physics' grand challenges"—igniting hydrogen fusion fuel in the laboratory, according to the NIF website. Nuclear fusion—the merging of the nuclei of two atoms of, say, hydrogen—can result in a tremendous amount of excess energy. Nuclear fission, by contrast, involves the splitting of atoms.

This July, California-based NIF made history by combining 192 laser beams into a record-breaking laser shot that packed over 500 trillion watts of peak power-a thousand times more power than the entire United States uses at any given instant.

"This was a quantum leap for laser technology around the world," NIF director Ed Moses said in September. But some critics of the $5 billion project wonder why the laser has yet to ignite a fusion chain reaction after three-and-a-half years in operation. Supporters counter that such groundbreaking science simply can't be rushed.

(Related: "Fusion Power a Step Closer After Giant Laser Blast.")

—Brian Handwerk

Published November 29, 2012

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Man Arrested in Fla. Girl's 1993 Disappearance

Police have arrested a 42-year-old man and charged him with murder in the case of a Florida girl who vanished almost 20 years ago.

Andrea Gail Parsons, 10, of Port Salerno, Fla., was last seen on July 11, 1993, shortly after 6 p.m. She had just purchased candy and soda at a grocery store when she waved to a local couple as they drove by on an area street and honked, police said.

Today, Martin County Sheriff's Department officials arrested Chester Duane Price, 42, who recently lived in Haleyville, Ala., and charged him with first-degree murder and kidnapping of a child under the age of 13, after he was indicted by a grand jury.

Price was acquainted with Andrea at the time of her disappearance, and also knew another man police once eyed as a potential suspect, officials told ABC News affiliate WPBF in West Palm Beach, Fla.

Handout/Martin County Sheriff's Office

"The investigation has concluded that Price abducted and killed Andrea Gail Parsons," read a sheriff's department news release. "Tragically, at this time, her body has not been recovered."

The sheriff's department declined to specify what evidence led to Price's arrest for the crime after 19 years or to provide details to ABCNews.com beyond the prepared news release.

Reached by phone, a sheriff's department spokeswoman said she did not know whether Price was yet represented by a lawyer.

Price was being held at the Martin County Jail without bond and was scheduled to make his first court appearance via video link at 10:30 a.m. Friday.

In its news release, the sheriff's department cited Price's "extensive criminal history with arrests dating back to 1991" that included arrests for cocaine possession, assault, sale of controlled substance, aggravated assault with a deadly weapon and violation of domestic violence injunction.

"The resolve to find Andrea and get answers surrounding the circumstances of her disappearance has never wavered as detectives and others assigned have dedicated their careers to piecing this puzzle together," Martin County Sheriff Robert L. Crowder said in a prepared statement. "In 2011, I assigned a team of detectives, several 'fresh sets of eyes,' to begin another review of the high-volume of evidence that had been previously collected in this case."

A flyer dating from the time of Andrea's disappearance, and redistributed by the sheriff's office after the arrest, described her as 4-foot-11 with hazel eyes and brown hair. She was last seen wearing blue jean shorts, a dark shirt and clear plastic sandals, according to the flyer.

The sheriff's department became involved in the case after Andrea's mother, Linda Parsons, returned home from work around 10 p.m. on July 11, 1993, to find her daughter missing and called police, according to the initial sheriff's report.

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Today on New Scientist: 28 November 2012

Out-of-proportion black hole is a rare cosmic fossil

A fairly small galaxy is host to a strangely enormous black hole, which could be a remnant of a quasar from the dawn of time

Flowing lithium atoms form accidental transistor

A transistor that controls the flow of atoms, rather than electrons, could be used as a model to probe the mysterious electrical property of superconductivity

Europe in 2050: a survivor's guide to climate change

A new report gives a clear picture of how global warming is affecting Europe - so how must countries adapt to survive?

Arctic permafrost is melting faster than predicted

A UN report and NASA research highlight greenhouse gases from melting permafrost, which they say could warm Earth's climate faster than we thought

Cassini spots superstorm at Saturn's north pole

The end of Saturn's 15-year winter reveals a huge hurricane-like vortex at the centre of the mysterious hexagon that tops the ringed planet

Infinity in the real world: Does space go on forever?

Watch an animation that tries to pin down the size of the universe, the largest thing that exists

Endangered primates caught in Congolese conflict

As the UN warns of a growing humanitarian crisis in the Democratic Republic of the Congo, the advance of the M23 rebels also puts the region's gorillas and chimps at risk

Hive minds: Honeybee intelligence creates a buzz

Bees do remarkable things with a brain the size of a pinhead, raising some intriguing questions about the nature of intelligence for David Robson

Humans head for moon's orbit - and beyond

A NASA mission might focus on the dark side, while a private mission may attempt something even more novel

Europe has right stuff to take NASA back to moon

ESA's redesigned cargo drone will give NASA's Orion spacecraft air, power and manoeuvrability on two new trips to the moon

DNA imaged with electron microscope for the first time

The famous twists of DNA's double helix have been seen with the aid of an electron microscope and a silicon bed of nails

Holiday gifts: Books to give by

CultureLab picks the best books to delight the scientifically curious this holiday season

How do you solve a problem like North Korea?

Forging scientific links may be one of the best ways to help bring rogue states back into the international fold

What truly exists? Structure as a route to the real

Some say we should accept that entities such as atomic particles really do exist. Others bitterly disagree. There is a way out, says Eric Scerri

Gas explosion in Springfield points to ageing pipes

Gas company officials attributed natural gas explosion on 23 November to human error, but the pipeline's corrosion made it susceptible to puncture

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New feature on cigarettes to show legality

SINGAPORE: From March next year, all cigarettes sold in Singapore must have a new marking to show that they are not contraband or smuggled goods.

Besides the letters "SDPC", which stand for Singapore Duty-Paid Cigarette, there will be a series of vertical bars around the cigarette stick.

Cigarettes with the extra feature can be sold from December 1. From March 1, cigarettes without the new marking will be considered duty-unpaid and illegal.

This is to give manufacturers and retailers time to phase in the revised mark.

Singapore Customs said on Thursday that the new feature will make it easier to tell the difference between duty-paid cigarettes and contraband cigarettes, when it conducts checks to curb the selling, buying and possession of contraband cigarettes.

Those who bring in cigarettes from overseas for their own consumption have to declare them at the Customs Red Channel, as well as pay the duty and Goods and Services Tax (GST).

They should also keep the receipt as proof of payment.

- CNA/xq

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PeopleBrowsr wins temporary injunction against Twitter

PeopleBrowsr, the social media analytics service behind Kred, has won a temporary restraining order against Twitter that allows it continued access to the microblogging site's firehose of data.

PeopleBrowsr sued Twitter in San Francisco Superior Court today, alleging that Twitter was restricting its access to the tweets and data that is key to providing real-time statistical analysis sought by its clients. The court scheduled a hearing to discuss the injunction for January 8, 2013.

PeopleBrowsr said in its complaint (see below) that it had paid Twitter $1 million a year for the past four years for access to the firehose. The company said Twitter told it in 2011 that it intended to restrict firehose access to "a limited number of 'Twitter-driven' partnerships that it can closely control."

The complaint goes on to say that Twitter informed PeopleBrowsr in May that it should plan to transition off the full firehose and suggested that it seek access through resellers Gnip or DataSift. The two companies entered mediation, during which Twitter informed PeopleBrowsr that it would terminate access if no agreement was reached by November 30.

PeopleBrowsr said the purpose of the lawsuit was to maintain an open ecosystem for its unique data.

"We relied on Twitter's promise of openness when we invested millions of dollars and thousands of hours of development time," PeopleBrowsr CEO Jodee Rich said in a blog post. "Long term supply is essential as this industry matures. We made this application to ensure full unrestricted access to the Firehose for our Enterprise and Government clients."

A statement from Twitter said the lawsuit was "without merit" and that the company planned to "vigorously defend against it."

In its court response (see bottom filing), Twitter dismissed the lawsuit and suggested PeopleBrowsr required basic business education.

This is Contracts 101. Although PeopleBrowsr attempts to dress its case up as some sort of grand antitrust or interference case, it is not. The operative facts could not be simpler, or more dispositive. PeopleBrowsr and Twitter negotiated, at arm's length, an integrated contract with a one year term, after which either party could terminate at will after giving 30 days' notice. Twitter has exercised that contractual right. PeopleBrowsr attempts to ignore the plain language of the contract by imagining completely different contract, arguing that 'Twitter contracted to provide an open ecosystem.' ... Nonsense.

PB v Tw Complaint TRO 28 Nov 2012

2012-1.11.28 Opposition to Application for TRO

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Caterpillar Fungus Has Anti-Inflammatory Properties

In the Tibetan mountains, a fungus attaches itself to a moth larva burrowed in the soil. It infects and slowly consumes its host from within, taking over its brain and making the young caterpillar move to a position from which the fungus can grow and spore again.

Sounds like something out of science fiction, right? But for ailing Chinese consumers and nomadic Tibetan harvesters, the parasite called cordyceps means hope—and big money. Chinese markets sell the "golden worm," or "Tibetan mushroom"—thought to cure ailments from cancer to asthma to erectile dysfunction—for up to $50,000 (U.S.) per pound. Patients, following traditional medicinal practices, brew the fungal-infected caterpillar in tea or chew it raw.

Now the folk medicine is getting scientific backing. A new study published in the journal RNA finds that cordycepin, a chemical derived from the caterpillar fungus, has anti-inflammatory properties.

"Inflammation is normally a beneficial response to a wound or infection, but in diseases like asthma it happens too fast and to too high of an extent," said study co-author Cornelia H. de Moor of the University of Nottingham. "When cordycepin is present, it inhibits that response strongly."

And it does so in a way not previously seen: at the mRNA stage, where it inhibits polyadenylation. That means it stops swelling at the genetic cellular level—a novel anti-inflammatory approach that could lead to new drugs for cancer, asthma, diabetes, rheumatoid arthritis, and cardiovascular-disease patients who don't respond well to current medications.

From Worm to Pill

But such new drugs may be a long way off. The science of parasitic fungi is still in its early stages, and no medicine currently available utilizes cordycepin as an anti-inflammatory. The only way a patient could gain its benefits would by consuming wild-harvested mushrooms.

De Moor cautions against this practice. "I can't recommend taking wild-harvested medications," she says. "Each sample could have a completely different dose, and there are mushrooms where [taking] a single bite will kill you."

Today 96 percent of the world's caterpillar-fungus harvest comes from the high Tibetan Plateau and the Himalayan range. Fungi from this region are of the subspecies Ophiocordyceps sinensis, locally known as yartsa gunbu ("summer grass, winter worm"). While highly valued in Chinese traditional medicine, these fungi have relatively low levels of cordycepin. What's more, they grow only at elevations of 10,000 to 16,500 feet and cannot be farmed. All of which makes yartsa gunbu costly for Chinese consumers: A single fungal-infected caterpillar can fetch $30.

Brave New Worm

Luckily for researchers, and for potential consumers, another rare species of caterpillar fungus, Cordyceps militaris, is capable of being farmed—and even cultivated to yield much higher levels of cordycepin.

De Moor says that's not likely to discourage Tibetan harvesters, many of whom make a year's salary in just weeks by finding and selling yartsa gunbu. Scientific proof of cordycepin's efficacy will only increase demand for the fungus, which could prove dangerous. "With cultivation we have a level of quality control that's missing in the wild," says de Moor.

"There is definitely some truth somewhere in certain herbal medicinal traditions, if you look hard enough," says de Moor. "But ancient healers probably wouldn't notice a 10 percent mortality rate resulting from herbal remedies. In the scientific world, that's completely unacceptable." If you want to be safe, she adds, "wait for the medicine."

Ancient Chinese medical traditions—which also use ground tiger bones as a cure for insomnia, elephant ivory for religious icons, and rhinoceros horns to dispel fevers—are controversial but popular. Such remedies remain in demand regardless of scientific advancement—and endangered animals continue to be killed in order to meet that demand. While pills using cordycepin from farmed fungus might someday replace yartsa gunbu harvesting, tigers, elephants, and rhinos are disappearing much quicker than worms.

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Powerball Numbers Drawn for Nearly $580M Jackpot

5-23-16-22-29-Powerball 6: Those are the winning numbers for an estimated $579 million Powerball jackpot -- the biggest in history.

After a feverish day that saw hopeful players buying tickets at the rate of 131,000 every minute, lottery officials in Orlando, Fla., drew the winning sequence shortly after 11 p.m.

The results likely will be announced sometime after 2 a.m. Thursday morning.

Identifying the winner, however, could take days -- if there is a winner.

A prior drawing last Saturday night produced no winner. That fact, plus the doubling in price of a Powerball ticket, accounted for the unprecedented richness of the pot.

"Back in January, we moved Powerball from being a $1 game to $2," said Mary Neubauer, a spokeswoman at the game's headquarters in Iowa. "We thought at the time that this would mean bigger and faster-growing jackpots."

That proved true. The total, she said, began taking "huge jumps -- another $100 million since Saturday." It then jumped another $50 million.

The biggest Powerball pot on record until now -- $365 million -- was won in 2006 by eight Lincoln, Neb., co-workers.

In Photos: Biggest Lotto Jackpot Winners

AP Photo/Patrick Semansky

As the latest pot swelled, lottery officials said they began getting phone calls from all around the world.

"When it gets this big," said Neubauer, "we get inquiries from Canada and Europe from people wanting to know if they can buy a ticket. They ask if they can FedEx us the money."

The answer she has to give them, she said, is: "Sorry, no. You have to buy a ticket in a member state from a licensed retail location."

About 80 percent of players don't choose their own Powerball number, opting instead for a computer-generated one.

Asked if there's anything a player can do to improve his or her odds of winning, Neubauer said there isn't -- apart from buying a ticket, of course.

Lottery officials put the odds of winning the $579 Powerball pot at one in 175 million, meaning you'd have been 25 times more likely to win an Academy Award.

Skip Garibaldi, a professor of mathematics at Emory University in Atlanta, provided additional perspective: You are three times more likely to die from a falling coconut, he said; seven times more likely to die from fireworks, "and way more likely to die from flesh-eating bacteria" (115 fatalities a year) than you are to win the Powerball lottery.

Segueing, then, from death to life, Garibaldi noted that even the best physicians, equipped with the most up-to-date equipment, can't predict the timing of a child's birth with much accuracy.

"But let's suppose," he said, "that your doctor managed to predict the day, the hour, the minute and the second your baby would be born."

The doctor's uncanny prediction would be "at least 100 times" more likely than your winning.

Even though he knows the odds all too well, Garibaldi said he usually plays the lottery.

When it gets this big, I'll buy a couple of tickets," he said. "It's kind of exciting. You get this feeling of anticipation. You get to think about the fantasy."

So, did he buy two tickets this time?

"I couldn't," he told ABC News. "I'm in California" -- one of eight states that doesn't offer Powerball.

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Gas explosion in Springfield points to ageing pipes

Human error and corroded pipes were a catastrophic combination on 23 November when a natural gas explosion in Springfield, Massachusetts, injured 21 people and damaged more than 40 buildings.

Gas company officials attributed the incident to an employee puncturing a high-pressure pipeline with a metal probe while looking for a leak. However, the steel pipeline was highly corroded, making it susceptible to damage, according to Mark McDonald, president of the New England Gas Workers Association. "You would have to be Superman to go through steel pipe in good condition," he says.

Ageing natural gas pipelines in the US are increasingly coming under scrutiny. A recent study found 3356 leaks from pipelines under Boston alone. Twenty-five thousand leaks have been reported throughout Massachusetts, some of which have been leaking continuously for more than 20 years, McDonald says. "Enough is enough," he says. "We have to fix the leaks and maintain the gas lines."

The leaks raise safety concerns, and have implications for global warming. Methane is thought to be more than 20 times more effective at trapping heat in the atmosphere than carbon dioxide over a 100 year period.

Incidents involving natural gas pipelines in the US cause an average of $133 million in property damage each year according to data collected by the US Pipeline and Hazardous Materials Safety Administration. Even accounting for inflation, annual damages are several times higher today than they were 20 years ago.

If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.

All comments should respect the New Scientist House Rules. If you think a particular comment breaks these rules then please use the "Report" link in that comment to report it to us.

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Kim Jong-Un 2012's "Sexiest Man Alive"?

BEIJING: The Chinese Communist Party's official mouthpiece on Wednesday deleted a story that North Korean leader Kim Jong-Un had been named 2012's "Sexiest Man Alive", after it fell for a spoof by US website The Onion.

The People's Daily had run the US satirical site's gushing quotes about the "Pyongyang-bred heartthrob" in both Chinese and English as world news, along with a 55-image gallery opening with Kim astride a horse and gazing into the distance.

But after gleeful Internet users pointed out the error, the English version's web address returned a "page not found" message late Wednesday morning.

A link to the story remained on the website's Korean news pages but there was no content.

The printed edition of the People's Daily did not carry the online report, which made no mention of satire.

It quoted The Onion as saying: "With his devastatingly handsome, round face, his boyish charm, and his strong, sturdy frame, this Pyongyang-bred heartthrob is every woman's dream come true.

"Blessed with an air of power that masks an unmistakable cute, cuddly side, Kim made this newspaper's editorial board swoon with his impeccable fashion sense, chic short hairstyle, and, of course, that famous smile."

The People's Daily article was in line with a series of reports carried by state media backing Beijing and its allies.

During the Communist Party's 18th congress this month, Xinhua news agency published a steady stream of stories quoting "world leaders" as praising the meeting.

Many congratulations were from politicians in countries such as Samoa, Guyana, Congo or Montenegro. Obscure groups such as the "Fund of Peace of Republic of Kazakhstan" were also quoted as following Xi Jinping's elevation to party general secretary.

The People's Daily also ran a series of articles citing foreigners lauding the party's showcase event, including one headlined "Reporters highly praise Press Center of the 18th National Congress".

The newspaper's website has previously published other picture slide-shows on Kim, usually depicting the North Korean leader in a heroic pose, on horses or with army generals.

China is North Korea's sole major ally and provides the bulk of its food and fuel imports.

The People's Daily could not be reached for comment on Wednesday.

- AFP/ck

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Hackers steal and publish e-mails from U.N. nuclear agency

Hackers have made their way into one of the servers of the United Nation's International Atomic Energy Agency, according to Reuters. The agency confirmed that the hackers stole information and published it online.

"The IAEA deeply regrets this publication of information stolen from an old server that was shut down some time ago," agency spokesperson Gill Tudor told Reuters. "The IAEA's technical and security teams are continuing to analyze the situation and do everything possible to help ensure that no further information is vulnerable."

A group that calls itself "Parastoo" claimed responsibility and posted the information online in a Pastebin document, which features a list of more than 100 e-mail addresses. According to Parastoo, the e-mails belong to people who "help" IAEA and should sign a petition "demanding an open IAEA investigation into activities at Dimona."

The IAEA confirmed that the e-mail addresses belonged to experts working with the agency, which is an international organization charged with ending the proliferation of nuclear weapons around the world. It also works on advancing the use of nuclear energy as an alternative means of fuel.

There are only five countries in the world permitted to have nuclear weapons, and Parastoo claims that Israel -- which is not allowed to amass such weapons -- is building them at its Negev Nuclear Research Center near the city of Dimona.

This security breach comes on the heels of Anonymous' massive hacking campaign against Israel in protest of attacks against Gaza. Anonymous dubbed its campaign OpIsrael and attempted to take more than 600 Israeli Web sites offline or deface them. The group also released a list of thousands of individuals who supposedly donated to a pro-Israel organization.

Parastoo does not claim to be associated with Anonymous. It has threatened, however, to publish the whereabouts and personal and professional details of all the people on its email list.

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Pictures: Falcon Massacre Uncovered in India

Photograph courtesy Conservation India

A young boy can sell bundles of fresh Amur falcons (pictured) for less than five dollars. Still, when multiplied by the thousands of falcons hunters can catch in a day, the practice can be a considerable financial boon to these groups.

Since discovering the extent of Amur hunting in Nagaland this fall, Conservation India has taken the issue to the local Indian authorities.

"They have taken it very well. They've not been defensive," Sreenivasan said.

"You're not dealing with national property, you're dealing with international property, which helped us put pressure on [them]." (Related: "Asia's Wildlife Trade.")

According to Conservation India, the same day the group filed their report with the government, a fresh order banning Amur hunting was issued. Local officials also began meeting with village leaders, seizing traps and confiscating birds. The national government has also requested an end to the hunting.

Much remains to be done, but because the hunt is so regional, Sreenivasan hopes it can eventually be contained and stamped out. Authorities there, he said, are planning a more thorough investigation next year, with officials observing, patrolling, and enforcing the law.

"This is part of India where there is some amount of acceptance on traditional bush hunting," he added. "But at some point, you draw the line."

(Related: "Bush-Meat Ban Would Devastate Africa's Animals, Poor?")

Published November 27, 2012

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Study Finds Most Pork Contaminated

Nov 27, 2012 6:24pm

A sample of raw pork products from supermarkets around the United States found that yersinia enterocolitica, a lesser-known food-borne pathogen, was present in 69 percent of the products tested, according to a study released today by Consumer Reports.

The  bacteria  infects more than 100,000 Americans a year, according to the Centers for Disease Control and Prevention, but  for every case that is confirmed with a laboratory test, about 120 more cases escape diagnosis. Symptoms can include fever, cramps and bloody diarrhea.

For its sample, Consumer Reports included the same pork products millions of Americans buy every day at their supermarkets. The study included 148 pork chops and 50 ground pork samples from around the United States.

In the samples tested, 69 percent tested positive for yersinia and 11 percent for enterococcus, which can indicate fecal contamination that can lead to urinary-tract infections. Salmonella and listeria, the more well-known bacterium, registered at 4 percent and 3 percent, respectively.

“The results were concerning,”  Urvashi Rangan, one of the authors of the report, told ABCNews.com. “It’s hard to say that there was no problem.  It shows that there needs to be better hygiene at animal plants. Yersinia wasn’t even being monitored for.”

In a written statement, the Pork Producer’s Council questioned the methods used by Consumer Reports, saying the number of samples tested, 198, did  ”not provide a nationally informative estimate of the true prevalence of the cited bacteria on meat.”

Despite the findings, Rangan said  it’s good to know that the bacteria can be killed by cooking the pork properly and by being vigilant about cross-contamination.

Pork cuts should be cooked to 145 degrees, while ground pork needs to reach a temperature of 160 degrees to kill the bacteria.

“Anything that touches raw meat should go into the dishwasher before touching anything else,” Rangan said. ”Juices from raw meat that touch the counter should be washed with hot soapy water.”

The U.S. Department of Agriculture  said the findings “affirm that companies are meeting the established guidelines for protecting the public’s health.

“USDA will remain vigilant against emerging and evolving threats to the safety of America’s supply of meat, poultry and processed egg products, and we will continue to work with the industry to ensure companies are following food safety procedures in addition to looking for new ways to strengthen the protection of public health,” the department said in a statement.

ABC News’ Dr. Anita Chu contributed reporting. 

SHOWS: Good Morning America World News

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Lake life survives in total isolation for 3000 years

It is seven times as salty as the sea, pitch dark and 13 degrees below freezing. Lake Vida in East Antarctica has been buried for 2800 years under 20 metres of ice, but teems with life.

The discovery of strange, abundant bacteria in a completely sealed, icebound lake strengthens the possibility that extraterrestrial life might exist on planets such as Mars and moons such as Jupiter's Europa.

"Lake Vida is a model of what happens when you try to freeze a lake solid, and this is the same fate that any lakes on Mars would have gone through as the planet turned colder from a watery past," says Peter Doran of the University of Illinois, Chicago. He is co-leader of a team working in the Dry Valleys of Antarctica where Vida is situated. "Any Martian water bodies that did form would have gone through this Vida stage before freezing solid, entombing the evidence of the past ecosystem."

The Vida bacteria, brought to the surface in cores drilled 27 metres down, belong to previously unknown species. They probably survive by metabolising the abundant quantities of hydrogen and oxides of nitrogen that Vida's salty, oxygen-free water has been found to contain.

Co-research leader Alison Murray of the Desert Research Institute in Reno, Nevada, is now investigating this further by growing some of the extracted cells in the lab. "We can use these cultivated organisms to better understand the physical or chemical extremes they can tolerate that might be relevant to other icy worlds such as Europa," she says.

Surprise composition

Murray and her colleagues were surprised to find so much hydrogen, nitrous oxide and carbon in the water. They speculate that these substances might originate from reactions between salt and nitrogen-containing minerals in the surrounding rock. Over the centuries, bacteria denied sunlight may have evolved to be completely reliant on these substances for energy. "I think the unusual conditions found in the lake have likely played a significant role in shaping the diversity and capabilities of life we found," she says.

But the existence of life in Lake Vida does not necessarily increase the likelihood that life exists in much older, deeper lakes under investigation in Antarctica, most notably Vostok and Ellsworth, which are 3 kilometres down and have been isolated for millions rather than thousands of years.

"It doesn't give us clues about whether there's life in Vostok or Ellsworth, but it says that under these super-salty conditions, life does OK," says Martin Siegert of the University of Bristol, UK, and leader of an expedition to Ellsworth which set off on 25 November. "We'll be drilling down 3 kilometres into the lake," he says.

Journal reference: PNAS, DOI: 10.1073/pnas.1208607190

If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.

All comments should respect the New Scientist House Rules. If you think a particular comment breaks these rules then please use the "Report" link in that comment to report it to us.

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