In modern ecology, the removal or addition of a predator to an ecosystem can produce dramatic changes in the population of prey species. For the first time, scientists have observed the same dynamics in the fossil record, ...
Evolution
May 2, 2011
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The production of wind energy in the U.S. over the next 30-50 years will be largely unaffected by upward changes in global temperature, say a pair of Indiana University Bloomington scientists who analyzed output from several ...
Space Exploration
May 2, 2011
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There's a crisis among the world's amphibians -- about 40 percent of amphibian species have dwindled in numbers in just three decades. Now, museum jars stuffed full of amphibians may help scientists decide whether this wave ...
Plants & Animals
May 2, 2011
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(PhysOrg.com) -- Rice originated in China, a team of genome researchers has concluded in a study tracing back thousands of years of evolutionary history through large-scale gene re-sequencing. Their findings, which appear ...
Biotechnology
May 2, 2011
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On land, being small and lurking at the bottom of the food chain is a far better strategy for species survival than being big, fierce and perched on top, at least when humans are after you – just ask the mice and grizzly ...
Ecology
May 2, 2011
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A joint study by academics in Switzerland, Germany and at Boston University sheds new light on the formation of financial bubbles and crashes. Wild fluctuations in stock prices caused by bubbles bursting have had a dramatic ...
General Physics
May 2, 2011
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(PhysOrg.com) -- While computers can do just about anything these days, having a sense of humor is not something they have been capable of, that is until now. Chloe Kiddon and Yuriy Brun, computer scientists from the University ...
(PhysOrg.com) -- For decades, a 2.3 million- to 1.2 million-year-old human relative named Paranthropus boisei has been nicknamed Nutcracker Man because of his big, flat molar teeth and thick, powerful jaw. But a definitive ...
Archaeology
May 2, 2011
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(PhysOrg.com) -- If you have an Android 2.2 OS smartphone, such as the HTC Nexus One, then you have tethering as part of the base experience. Other users could make tethering an option for themselves by downloading an app, ...
(PhysOrg.com) -- While it is well accepted knowledge that pigs wallow in mud in order to regulate body temperature and keep cool, a new study published in Applied Animal Behavior Science shows that the wallowing behavior ...
