martes 16 de enero de 2007

Dark energy may be vacuum

   Researchers at the University of Copenhagen's Dark Cosmology Centre at the Niels Bohr Institute have brought us one step closer to understanding what the universe is made of. The new data shows that vacuum energy is the most likely cause and the expansion history of the universe can be explained by simply adding this constant background of acceleration into the normal theory of gravity.
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Coffee 'risk' for Sumatra reserve

   Indonesian coffee growers are illegally clearing an important wildlife reserve, says conservation group WWF.
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Gullet cancer 'might be blocked'

   Scientists believe blocking the action of vitamin A may help prevent a type of cancer of the gullet.
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Research advances on nanotech workplace health and safety

   "Companies, workers and investors alike are being challenged by the uncertainties surrounding nanotechnology workplace safety. These uncertainties include lack of sound, scientific information on occupational risks, poorly determined perceptual risks, and hesitancy over nanotechnology oversight," according to co-authors Andrew Maynard and David Y.H. Pui in an article in the latest issue of the Journal of Nanoparticle Research. This is a special journal issue devoted to nanoparticles and occupational health.
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California fruit crops devastated by freeze: Schwarzenegger (AFP)

   

California Governor Arnold Schwarzenegger inspects an orange picked from a tree at Keith A. Nilmeier Farms in Fresno, California. Schwarzenegger warned that losses to the region's citrus fruit industry could reach one billion dollars as crops froze under an arctic cold spell(AFP/Getty Images/Justin Sullivan)AFP - California Governor Arnold Schwarzenegger warned that losses to the region's citrus fruit industry could reach one billion dollars as crops froze under an arctic cold spell.



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Applied scientists create wrinkled 'skin' on polymers

   Applied scientists demonstrated a new method for developing wrinkled hard skins on the surface areas of polymers using a focused ion beam. The technique has potential use for biological sensors and microfluidic devices and may offer new ways to build custom-made cell templates for tissue engineering.
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Einstein's tea leaves inspire new blood separation technique

   Scientists at Monash University in Australia have developed a process for rapidly and efficiently separating blood plasma at the microscopic level without any moving parts, potentially allowing doctors to do blood tests without sending samples to a laboratory.
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Survey shows strong support for offshore wind power

   Delawareans are strongly in favor of offshore wind power as a future source of energy for the state, according to a survey conducted by University of Delaware researchers.When asked to select from a variety of sources to help the state increase its energy supply, more than 90 percent of the 949 Delaware residents responding to the survey supported an offshore wind option to generate electricity--even if wind power were to add between $1 and $30 per month to their electric bills.
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Gasoline pump price falls to 5-week low: U.S. EIA (Reuters)

   Reuters - U.S. retail gasoline prices fell to their lowest level in five weeks, and could near $2 a gallon in coming weeks as plummeting crude oil prices trickle through to the pump, a U.S. government analyst said on Tuesday.
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WWF: Coffee threatens Indonesian animals (AP)

   AP - Coffee beans exported to the West are being illegally grown inside an Indonesian national park, threatening the habitat of endangered tigers, elephants and rhinos, the WWF said Wednesday.
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Winter takes a firm hold (weather.com)

   weather.com -
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Asia 'may sideline UK scientists'

   British science is in danger of being sidelined by China, South Korea and India within 10 years, a report warns.
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UN 'should take lead on climate'

   The United Nations should spearhead a drive for action on climate change, says a high-ranking UN official.
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High ski runs fuel habitat fears

   As winter snow becomes less reliable at lower levels, ecologists say high-altitude ski slopes will threaten fragile habitat.
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Communities fight crematorium expansion (AP)

   

Dr. Henry Clark, executive director of West County Toxics Coalition, left, and Johnny White, president of Shields-Reid Neighborhood Council, are photographed in front of a building that was once a proposed location for a crematorium in Richmond, Calif., Friday, Dec. 22, 2006. In Richmond, which has traditionally attracted many of the most polluting industries, activists say they are drawing the line at crematoriums. (AP Photo/Jeff Chiu)AP - Plans to build new crematoriums are running into resistance around the country over a fear some scientists say is overblown: toxic emissions, especially mercury fumes from incinerating dental fillings.



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Jordan's Petra named 7 wonders candidate (AP)

   

Jordanian actors preform as  Roman gladiators at the Roman theater in Petra, Jordan, Tuesday, Jan. 16, 2007.  during   a re-enactment of life in Petra during the celebration of Petra being  officially nominated to become one of the new seven wonders of the world which  was organized by The 'new seven wonders of the world' foundation which was created in the year 2001 by Swiss advetnurer Bernard Webber under the motto 'our heritage is our future.'(AP Photo/Nader Daoud)AP - Jordan's ancient city Petra was officially declared a candidate Tuesday in the contest to name the new seven wonders of the world at a ceremony amid its rose-colored stone buildings.



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EU drops mandatory GM tests on US maize gluten (AFP)

   

Activists fly a kite to protest against the cultivation of genetically modified maize. The European Union agreed to lift a requirement for all imports of US maize gluten and brewers' grain to be certified free of a banned genetically modified strain, the European Commission said.(AFP/DDP/File/Michael Kappeler)AFP - The European Union agreed to lift a requirement for all imports of US maize gluten and brewers' grain to be certified free of a banned genetically modified strain, the European Commission said.



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Three-month temperature outlooks to go local (Reuters)

   Reuters - The National Weather Service said on Tuesday that its rolling three-month temperature outlooks for the United States would also now include more and smaller areas from Thursday.
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British experts protect animals on EDGE of extinction (AFP)

   

British zoological authorities launched a conservation programme aimed at protecting some of the world's most endangered and extraordinary creatures. This undated handout photo received shows Qi Qi, a rare baiji dolphin who lived at the Wuhan Baiji Aquarium before dying of old age in 2002. Yangtze Dolphins, also known as baiji, are the unfortunate leaders in the EDGE of Extinction list.(AFP/HO/File)AFP - British zoological authorities launched a conservation programme aimed at protecting some of the world's most endangered and extraordinary creatures.



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California's big freeze threatening citrus crops (AFP)

   

Californian farmers are bracing for devastation to citrus crops worth hundreds of millions of dollars as the state shivers under record low temperatures, officials said.(AFP/File/Filippo Monteforte)AFP - Californian farmers are bracing for devastation to citrus crops worth hundreds of millions of dollars as the state shivers under record low temperatures, officials said.



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Texas under siege again (weather.com)

   weather.com -
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Zoological group protecting rare animals (AP)

   

A baby slender loris is seen in this undated photograph released by the Zoological Society of London on Tuesday, Jan. 16, 2007.  It isn't often that the northern hairy-nosed wombat, the slender loris, and the pygmy hippopotamus share the spotlight.  But these strange and unusual animals are the focus of a conservation program launched Tuesday by the Zoological Society of London, one that aims to eventually secure the existence of some of the world's rarest mammals.  The program, called EDGE (for Evolutionarily Distinct and Globally Endangered) targets 100 species for scientific study, and the zoological society aims to take action on the top ten by the end of the year.  (AP Photo/Zoological Society of London)AP - It isn't often that the northern hairy-nosed wombat, the finger-sized slender loris, and the mountain pygmy possum share the spotlight. But these odd creatures are the focus of a conservation program launched Tuesday to safeguard some of the world's rarest mammals.



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European skull's evolving story

   The earliest modern humans in Europe were short of being the complete article, according to a study of a fossilised skull from Romania.
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European skull's evolving story

   The earliest modern humans in Europe were short of being the complete article, according to a study of a fossilised skull from Romania.
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Malaysian PM says huge task to repair flood damage (AFP)

   

Residents walk through a flooded alley in a village near Batu Pahat town, southern Johor state, 15 January 2007. Malaysia faces a huge task to repair the damage from disastrous floods, the prime minister said, as boats and helicopters ferried supplies to nearly 100,000 people displaced by the crisis.(AFP/File/Tengku Bahar)AFP - Malaysia faces a huge task to repair the damage from disastrous floods, the prime minister said, as boats and helicopters ferried supplies to nearly 100,000 people displaced by the crisis.



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Ancient weapons found in ruins in Syria (AP)

   AP - It was the ancient version of a last stand: Twelve clay bullets lined up and ready to be shot from slings in a desperate attempt to stop fierce invaders who soon would reduce much of the city to rubble.
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Male panda said too fat to have sex (AP)

   AP - Chuang Chuang the Panda is just too heavy to have sex. Thai authorities have put him on a strict diet as part of a long-running campaign to get him to mate with female partner Lin Hui at the Chiang Mai Zoo in northern Thailand.
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British move to protect rare mammals (AP)

   AP - It isn't often that the northern hairy-nosed wombat, the finger-sized slender loris, and the mountain pygmy possum share the spotlight. But these odd creatures are the focus of a conservation program launched Tuesday to safeguard some of the world's rarest mammals.
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Physicists discover structures of gold nanoclusters

   Using different experimental techniques, two separate and independent research groups have verified the predictions of a Georgia Tech physics group regarding structure of gold nanoclusters from 11 to 24 atoms in size.
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Embryo saved after Katrina is born (AP)

   

Rebekah Markham, and her husband Glen Markham, pose for a photograph with their son Witt Markam 2, at their home in Covington, La. Sunday, Jan. 14, 2007. Rebekah is pregnant with an embryo that was rescued from a hospital in the aftermath of Hurricane Katrina.(AP Photo/Alex Brandon)AP - The parents of an embryo rescued from a flooded and sweltering hospital during the tumultuous weeks after Hurricane Katrina welcomed Noah Markham on Tuesday morning.



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Algae gel to combat HIV infection

   Scientists develop an algae-based gel which they hope will block HIV infections in women.
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Algae gel to combat HIV infection

   Scientists develop an algae-based gel which they hope will block HIV infections in women.
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Findings: The Voices in My Head Say ‘Buy It!’ Why Argue?

   What is the difference between a tightwad’s brain and a spendthrift’s brain?
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Backyard weather network set to expand

   SAN ANTONIO, Texas (Reuters) - Satellites have not yet replaced the humble rain gauge when it comes to collecting weather data in the United States, and scientists on Monday said they intend to expand the network over the next few years.
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Stern upbeat over climate action

   Economist Sir Nicholas Stern tells MPs he is encouraged by action planned around the world on climate change.
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Stern upbeat over climate action

   Economist Sir Nicholas Stern tells MPs he is encouraged by action planned around the world on climate change.
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At least 31 killed as ice storms, snow, floods hit US (AFP)

   

Fog and mist surrounds buildings in Manhattan. A powerful winter storm has killed at least 31 people as it swept east across the central United States, carrying snow, sleet and ice.(AFP/Stan Honda)AFP - A powerful winter storm has killed at least 31 people as it swept east across the central United States, carrying snow, sleet and ice.



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Personal Health: 104 Teenagers Who Are Role Models for Weight Loss

   A look at the reasons teenagers give for gaining weight helps in understanding the steps necessary to reverse the process.
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Observatory: A Smelly Puzzle, Solved

   The world’s largest flower, a link between lobsters and whales and where moths get a drink.
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The Warming of Greenland

   Arctic melting accelerates, revealing uncharted islands and threatening to raise sea levels all over the world.
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Skull shows possible human/Neanderthal breeding

   WASHINGTON (Reuters) - A 40,000-year-old skull found in a Romanian cave shows traits of both modern humans and Neanderthals and might prove the two interbred, researchers reported on Monday.
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Scientists try to save world's rarest creatures

   LONDON (Reuters) - Scientists launched a bid on Tuesday to save some of the world's rarest and most neglected creatures from extinction.
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Renewed evidence suggests statin/Parkinson's link

   WASHINGTON (Reuters) - New research showing a strong link between Parkinson's disease and low levels of "bad" cholesterol are so worrying that U.S. researchers are launching a study to look into it.
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