While researchers have long known of the incredible strength of spider silk, the robust nature of the tiny filaments cannot alone explain how webs survive multiple tears and winds that exceed hurricane strength.
Computer Sciences
Feb 1, 2012
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(PhysOrg.com) -- More than 500 million years ago, single-celled organisms on Earth's surface began forming multi-cellular clusters that ultimately became plants and animals.
Cell & Microbiology
Jan 16, 2012
499
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Pollution is making Arabian Sea cyclones more intense, according to a study in this week's issue of the journal Nature.
Earth Sciences
Nov 2, 2011
2
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(PhysOrg.com) -- What tales they tell of their former lives, these old bones of sirenians, relatives of today's dugongs and manatees.
Earth Sciences
Apr 21, 2011
3
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(PhysOrg.com) -- Imagine you're driving your own new car--or a rental car--and you need to park in a commercial garage. Maybe you're going to work, visiting a mall or attending an event at a sports stadium, and you're in ...
Polymers
Apr 20, 2011
1
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(PhysOrg.com) -- Studies done by Mark Lusk and colleagues at the Colorado School of Mines could significantly improve the efficiency of solar cells. Their latest work describes how the size of light-absorbing particles--quantum ...
Nanophysics
Mar 25, 2011
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Humans share 98.7 percent of our DNA with chimpanzees, but we share one important similarity with one species of chimp, the common chimpanzee, that we don't share with the other, the bonobo. That similarity is violence. While ...
Plants & Animals
Mar 8, 2011
161
4
(PhysOrg.com) -- Some amoebae do what many people do. Before they travel, they pack a lunch. In results of a study reported today in the journal Nature, evolutionary biologists Joan Strassmann and David Queller of Rice University ...
Cell & Microbiology
Jan 19, 2011
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(PhysOrg.com) -- Chemical reactions are happening all over the place all the time -- on the sun, on the Earth and in our bodies. In many cases, enzymes help make these reactions occur. One family of enzymes, called cytochrome ...
Biochemistry
Nov 12, 2010
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Cancer is a difficult disease to treat because it's a personal disease. Each case is unique and based on a combination of environmental and genetic factors. Conventional chemotherapy employs treatment with one or more drugs, ...
Cell & Microbiology
Sep 6, 2010
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