At unprecedented levels of difficulty involving highly biodiverse and continent-sized landscapes, scientists have successfully tested their ability to identify and DNA "barcode" entire assemblages of species—the prelude ...
Feb 18, 2007
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By thinking small, scientists can solve big environmental problems. That is the message University of Iowa researcher Vicki H. Grassian delivered to colleagues Sunday, Feb. 18, at the 2007 Annual Meeting of the American Association ...
Environment
Feb 18, 2007
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A reporter struggling to meet a deadline. A single mother juggling work and kids. A student cramming for exams. Could any of these folks justifiably fault their harried lifestyles when they notice a few gray hairs?
Other
Feb 18, 2007
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In the world of cutting-edge physics, discoveries are often made using intricate procedures and elaborate, expensive instruments. But a paper by Cornell graduate student Scott Bunch and colleagues shows how interesting results ...
Nanophysics
Feb 18, 2007
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High-quality, single-crystal, ultra-cold solid helium exhibits supersolid behavior, suggesting that this frictionless solid flow is not a consequence of defects and grain boundaries in poor-quality, polycrystalline, solid ...
General Physics
Feb 18, 2007
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Stanford physicist Mark Kasevich has adapted the technology in today's airplane navigation systems to work with atoms so cold that they almost stand still. At temperatures scarcely above absolute zero, atoms no longer behave ...
General Physics
Feb 18, 2007
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When excited, atoms move at impossibly small length and time scales -- too small and too fast to have been observed in years past. But as applied and engineering physics professor Joel D. Brock comments in the Feb. 2 issue ...
General Physics
Feb 18, 2007
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