(Phys.org)—Wear is a fact of life. As surfaces rub against one another, they break down and lose their original shape. With less material to start with and functionality that often depends critically on shape and surface ...
Nanophysics
Jan 30, 2013
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(PhysOrg.com) -- Were our early mammalian ancestors vegetarians, vegans or omnivores? It's difficult for anthropologists to determine the diet of early mammalians because current fossil analysis provides too little information. ...
Archaeology
Sep 16, 2010
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(PhysOrg.com) -- The teeth of some apes are formed primarily to handle the most stressful times when food is scarce, according to new research performed at the National Institute of Standards and Technology. The findings ...
Plants & Animals
Dec 16, 2009
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The first few microseconds after an explosion are the most important moments for Arun Shukla, because that's when the first hint of damage occurs to nearby structures. As one of the world's leaders in the field of fracture ...
Engineering
Apr 23, 2009
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