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One Extinct Turtle Less: Turtle Species in the Seychelles Never Existed
April 4, 2013 — The turtle species Pelusios seychellensis regarded hitherto as extinct never existed. Scientists discovered this based on genetic ... > full story -
Can Repurposed Cancer Drugs Counter Bioterror Threats?
April 3, 2013 — Scientists are investigating whether two cancer medications have the potential of protecting U.S. troops from biological agents that could be unleashed during an ... > full story -
Satellite Tagging Maps the Secret Migration of White Sharks
April 3, 2013 — Long-life batteries and satellite tagging have been used to fill in the blanks of female white sharks' (Carcharodon carcharias) lifestyles. New research defines a two year migratory pattern in the ... > full story -
2013 Wintertime Arctic Sea Ice Maximum Fifth Lowest on Record
April 3, 2013 — During the cold and dark of Arctic winter, sea ice refreezes and achieves its maximum extent, usually in late Feb. or early Mar. According to a NASA analysis, this year the annual maximum extent was ... > full story -
Chimps: Ability to 'Think About Thinking' Not Limited to Humans
April 3, 2013 — Humans' closest animal relatives, chimpanzees, have the ability to "think about thinking" -- what is called "metacognition," according to new ... > full story -
'A Better Path' Toward Projecting, Planning for Rising Seas on a Warmer Earth
April 3, 2013 — More useful projections of sea level are possible despite substantial uncertainty about the future behavior of massive ice sheets. In two recent articles, researchers present an approach that ... > full story -
Rocky Mountains Originated from Previously Unknown Oceanic Plate
April 3, 2013 — The mountain ranges of the North American Cordillera are made up of dozens of distinct crustal blocks. A new study clarifies their mode of origin and identifies a previously unknown oceanic plate ... > full story -
Environmental Policies Matter for Growing Megacities
April 3, 2013 — A new study shows clean-air regulations have dramatically reduced acid rain in the United States, Europe, Japan and South Korea over the past 30 years, but the opposite is true in fast-growing East ... > full story -
Ancient Pool of Warm Water Questions Current Climate Models
April 3, 2013 — A huge pool of warm water that stretched out from Indonesia over to Africa and South America four million years ago suggests climate models might be too conservative in forecasting tropical changes. ... > full storyMore: -
Thin Clouds Drove Greenland's Record-Breaking 2012 Ice Melt
April 3, 2013 — If the sheet of ice covering Greenland were to melt in its entirety tomorrow, global sea levels would rise by 24 feet. Three million cubic kilometers of ice won't wash into the ocean overnight, but ... > full story
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