(Phys.org) —Why do cell phones drop calls? Like a radio dial tuned to different frequencies (stations), cell phone antennas have tuning circuits that quickly switch frequencies when controlled by a voltage applied to a ...
Condensed Matter
Oct 16, 2013
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One day, amid his decades-long study of how animals move, including how frogs jump, Brown University biologist Thomas Roberts found himself and colleague Richard Marsh puzzling over the Guinness Book of World Records. A bullfrog ...
Plants & Animals
Oct 16, 2013
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Up until a year ago, how an elephant made its guttural infrasonic calls was still a matter of debate, as Christian Herbst, from the University of Vienna, Austria, points out: 'Some people suggested it's just like in us humans, ...
Plants & Animals
Oct 16, 2013
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Facebook Inc. is lifting restrictions on teens to let them share more information publicly in a bid to regain the popularity it has lost to Twitter, Snapchat and other social networks.
Internet
Oct 16, 2013
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(Phys.org) —Small robotic birds are showing lots of promise for tasks such as monitoring the environment and conducting surveillance. But one current drawback they have is the amount of time they are able to stay aloft. ...
Energy & Green Tech
Oct 16, 2013
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IBM said Wednesday that its third-quarter net income rose 6 percent, but its revenue fell and missed Wall Street's expectations by more than $1 billion. The company's stock fell in extended trading.
Business
Oct 16, 2013
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There are good bacteria and there are bad bacteria—and sometimes both coexist within the same species. Take, for instance, Pseudomonas aeruginosa, a microbe common in soil and water. This bacterium has been found to colonize ...
Cell & Microbiology
Oct 16, 2013
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Major research led by University of York scientists has discovered remarkable similarities between the production of vocalisations of wild chimpanzees and human language.
Plants & Animals
Oct 16, 2013
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As sanctuary-kept chimpanzees grow from infant to juvenile, they develop increased susceptibility to human yawn contagion, possibility due to their increasing ability to empathize, says a study published October 16, 2013, ...
Plants & Animals
Oct 16, 2013
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Look up a female scientist or technologist on Wikipedia, and you might not find what you're looking for. Many don't have detailed pages or any page at all on the free online encyclopedia created by contributors, the vast ...
Internet
Oct 16, 2013
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