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Researchers identify molecular 'culprit' in rise of planetary oxygenChampaign IL (SPX) Jan 12, 2012 A turning point in the history of life occurred 2 to 3 billion years ago with the unprecedented appearance and dramatic rise of molecular oxygen. Now researchers report they have identified an enzyme that was the first - or among the first - to generate molecular oxygen on Earth. The new findings, reported in the journal Structure, build on more than a dozen previous studies that aim to track the molecular evolution of life by looking for evidence of that history in present-day protein structures. ... read more |
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  Early primate had a transitional lemur-like grooming claw Celebrities are channeling a distant relative with what Harper's Bazaar describes as the latest trend in nail fashion for 2012: claws. But this may not be the first time primates traded their nails ... more | .. |
  Six die in Indian Kashmir freeze Six people have died during a cold snap in Indian Kashmir, including a pregnant woman who was unable to reach hospital after heavy snowfall blocked local roads, officials said Wednesday. ... more | .. |
  Death toll in Brazil floods, landslide rises to 33 Torrential rains lashing southeastern Brazil have killed at least 33 people, including five members of one family buried in a landslide, according to a new official death toll issued Wednesday. ... more | .. |
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  Why is Haiti taking so long to recover? A catastrophic 7.0-magnitude earthquake struck Haiti two years ago, killing between 200,000 and 300,000 people in one of the worst natural disasters of modern times. ... more | .. |
 Backing out of the nanotunnel In the world of biomolecules such as proteins and the hereditary nucleic acids DNA and RNA, three-dimensional structure determines function. Analysis of the passage of such molecules through nanopor ... more | .. |
 Fewer animal experiments thanks to nanosensors Experiments on animals have been the subject of criticism for decades, but there is no prospect of a move away from them any time soon. The number of tests involving laboratory animals has in fact g ... more | .. |
  Scientists Look to Microbes to Unlock Earth's Deep Secrets Of all the habitable parts of our planet, one ecosystem still remains largely unexplored and unknown to science: the igneous ocean crust. This rocky realm of hard volcanic lava exists beneath ocean ... more |
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Overlooked cells might explain the human brain's huge storage capacity
Key climate target of airline decarbonisation 'in peril': IATA
Chinese automakers get stern 'price war' warning after discount spree | .. |
  Fusion plasma research helps neurologists to hear above the noise Fusion plasma researchers at the University of Warwick have teamed up with Cambridge neuroscientists to apply their expertise developed to study inaccessible fusion plasmas in order to significantly ... more | .. |
 World's most extreme deep-sea vents revealed Scientists have revealed details of the world's most extreme deep-sea volcanic vents, 5 kilometres down in a rift in the Caribbean seafloor. The undersea hot springs, which lie 0.8 kilometres deeper ... more | .. |
  Dramatic Links Found Between Climate Change, Elk, Plants, and Birds Climate change in the form of reduced snowfall in mountains is causing powerful and cascading shifts in mountainous plant and bird communities through the increased ability of elk to stay at high el ... more | .. |
 Reuse of municipal wastewater has potential to augment future drinking water supplies With recent advances in technology and design, treating municipal wastewater and reusing it for drinking water, irrigation, industry, and other applications could significantly increase the nation's ... more |
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 Poll: U.S. pastors reject evolution America's Protestant pastors say they overwhelmingly reject the theory of evolution but are evenly split on the age of the Earth, a survey reported. ... more | .. |
  Russian fuel ship battles to reach ice-bound Alaska A Russian ship carrying desperately needed fuel is battling through thick ice to reach parts of frigid Alaska cut off by a severe winter storm in the US state, officials said Wednesday. ... more | .. |
 China launches operation to free pandas into wild China Wednesday released six young captive pandas into semi-wild enclosures as part of a project aimed at helping the endangered bears adapt to the wild and eventually go free. ... more | .. |
 Outrage over Indian islands 'human zoo' video Rights campaigners and politicians Wednesday condemned a video showing women from a protected and primitive tribe dancing for tourists reportedly in exchange for food on India's Andaman Islands. ... more |
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UK to build attack subs as part of major defence review
Ukraine strikes Russian bombers ahead of Istanbul talks
Zelensky arrives in Vilnius for Nato eastern flank summit | .. |
  China warns US not to interfere after self-immolations China on Wednesday warned the United States against interfering in its domestic affairs after Washington expressed "serious concern" over a spate of self-immolations by Tibetan monks. ... more | .. |
 Record winter temperatures in Russia Russia has had wild temperature swings this winter with an unusually balmy 9.5 degrees Celsius (49.1 degrees Fahrenheit) in the north-western city of Kaliningrad, a record, and -56 degrees in Siberia on Wednesday. ... more | .. |
  Brazil says no evidence loggers burned indigenous girl Authorities said Tuesday they found no evidence to substantiate charges that an indigenous girl was burned alive after loggers invaded the territory of her isolated tribe in Brazil's north. ... more | .. |
  Chile's Mapuche deny role in deadly forest fire Leaders of an activist group of indigenous Mapuche people in Chile on Tuesday denied government accusations that they might have set a forest fire that killed seven firefighters last week. ... more |
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 World's deepest sea vents reveal unknown creatures The ocean's deepest volcanic vents, kilometres below the surface, are teeming with life forms never before seen that thrive near super-hot underwater geysers, according to a new study. ... more | .. |
 Haiti quake victims stuck in a time warp In the Port-au-Prince suburb of Petionville, some 2,500 people subsist in a crowded public park near open ditches flowing with human waste, a grim scene frozen in time two years after Haiti's earthquake disaster. ... more | .. |
 China to air-drop food over lake for hungry birds China will air-drop shrimps and maize over the nation's largest freshwater lake where hundreds of thousands of birds are at risk of hunger due to drought, an official said Wednesday. ... more | .. |
 Team finds a better way to gauge the climate costs of land use changes Those making land use decisions to reduce the harmful effects of climate change have focused almost exclusively on greenhouse gases - analyzing, for example, how much carbon dioxide is released when ... more |
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China expands satellite networks for smart connectivity
Iridium and Syniverse to Enable Direct-to-Device Satellite Connectivity for MNOs Worldwide
Trump says withdrawing Musk ally as nominee to head NASA | .. |
 European mountain vegetation shows effects of warmer climate The decade from 2000 to 2009 was the warmest since global climate has been measured, and while localized studies have shown evidence of changes in mountain plant communities that reflect this warmin ... more | .. |
 The nuclear, biological and climate threat - 2011 reviewed In this special issue of the Bulletin of the Atomic Scientists, published by SAGE, experts reflect on 2011 and highlight what to look out for in 2012 in the areas of nuclear energy, nuclear weapons, ... more | .. |
  Chemical measurements confirm official estimate of Gulf oil spill rate By combining detailed chemical measurements in the deep ocean, in the oil slick, and in the air, NOAA scientists and academic colleagues have independently estimated how fast gases and oil were leak ... more | .. |
 Colorado mountain hail may disappear in a warmer future Summertime hail could all but disappear from the eastern flank of Colorado's Rocky Mountains by 2070, according to a new modeling study by scientists from NOAA and several other institutions. ... more |
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 New Cores From Glacier In The Eastern European Alps May Yield New Climate Clues Researchers are beginning their analysis of what are probably the first successful ice cores drilled to bedrock from a glacier in the eastern European Alps. With luck, that analysis will yield a rec ... more | .. |
  Tiny worm points to big promise Two related studies from Northwestern University offer new strategies for tackling the challenges of preventing and treating diseases of protein folding, such as Alzheimer's, Parkinson's and Hunting ... more | .. |
 Simpler times: did an earlier genetic molecule predate DNA and RNA? In the chemistry of the living world, a pair of nucleic acids-DNA and RNA-reign supreme. As carrier molecules of the genetic code, they provide all organisms with a mechanism for faithfully reproduc ... more | .. |
 Avalanche risk down but Austrian resorts still cut off Road and railway connections in western Austria improved Tuesday, although some popular ski resorts remained cut off after extreme snowfall over the past week, local authorities said. ... more |
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