(Phys.org)—When humans eventually travel to the Red Planet, the voyage will be long and difficult. The simulated Mars500 mission showed that every detail must be planned, including diet and sleep. The findings will also ...
Space Exploration
Jan 16, 2013
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In the United States, about 80 million x-ray computed tomography (CT) scans are made every year – 7 million of them on children – according to the American Association of Physicists in Medicine (AAPM). Not surprisingly, ...
Analytical Chemistry
Jan 2, 2013
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A series of rapid environmental changes in East Africa roughly 2 million years ago may be responsible for driving human evolution, according to researchers at Penn State and Rutgers University.
Earth Sciences
Dec 24, 2012
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U.S. government health regulators say a genetically modified salmon that grows twice as fast as normal is unlikely to harm the environment, clearing the way for the first approval of a scientifically engineered animal for ...
Ecology
Dec 21, 2012
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University of Alberta researchers discovered that elk are more frequently and more easily disturbed by human behaviour such as ATV drivers than by their natural predators like bears and wolves.
Ecology
Nov 28, 2012
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University of Illinois scientists have found a way to boost current industry capabilities when it comes to reducing the number of E. coli 0157:H7 cells that may live undetected on spinach leaves.
Biochemistry
Nov 27, 2012
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(Phys.org)—An international team of researchers has found evidence that suggests a human ancestor – Australopithecus bahrelghazali – was eating grass plants almost a million years earlier than most scientists had thought. ...
A study to be published in mBio, the online open-access journal of the American Society for Microbiology, on Tuesday, October 23, examined whether crude oil from the 2010 Deepwater Horizon oil spill, the dispersant used on ...
Cell & Microbiology
Oct 23, 2012
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In the bird world, they make endangered condors seem almost commonplace. The unique Great Gray Owls of Yosemite, left to evolve after glacial ice separated them from their plentiful Canadian brethren 30 millennia ago, are ...
Plants & Animals
Oct 22, 2012
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Researchers from China's Fudan University have found major prehistoric human population expansions may have begun before the Neolithic period, which probably led to the introduction of agriculture.
Archaeology
Oct 19, 2012
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