(PhysOrg.com) -- Reptiles changed their walking posture from sprawling to upright immediately after the end-Permian mass extinction, the biggest crisis in the history of life that occurred some 250 million years ago and wiped ...
Archaeology
Sep 15, 2009
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Well-preserved craniodental fossil remains from two primate species have been discovered during excavations at an Algerian site. They reveal that the small primate Algeripithecus, which is 50 million years old and until now ...
Archaeology
Sep 15, 2009
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The brains of the snake robots are still no more advanced than that of a one-year-old, but scientists at SINTEF (Norway) want to bring them up to the level of a teenager. At least.
Robotics
Sep 15, 2009
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As children go back to school this fall, a new cross-cultural study finds that for both Chinese and American middle schoolers, students who feel supported by their teachers tend to have higher self-esteem, and those who don't ...
Social Sciences
Sep 15, 2009
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In addition to global warming, carbon dioxide emissions cause another, less well-known but equally serious and worrying phenomenon: ocean acidification. Researchers in the Laboratoire d'Océanographie at Villefranche, ...
Environment
Sep 15, 2009
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For low income parents, finding high quality child care not only boosts the performance of their children in school, but actually combats the effects of poverty, according to a new study in the journal Child Development.
Social Sciences
Sep 15, 2009
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In Sweden alone, 52 million tons of carbon dioxide is emitted every year. To mitigate the negative impacts of greenhouse gases, carbon dioxide sequestration has come to the fore as a hot new method. However, the process is ...
Environment
Sep 15, 2009
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A powerful lightning storm in Saturn’s atmosphere that began in mid-January 2009 has become the Solar System’s longest continuously observed thunderstorm. It broke the record duration of 7.5 months set by another thunderstorm ...
Space Exploration
Sep 15, 2009
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(AP) -- Spaceman Jose Hernandez said Monday the United States needs to legalize its undocumented immigrants - a rare, public stand for a U.S. astronaut on a political, hot-button issue.
Space Exploration
Sep 15, 2009
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