For the first time, scientists have used large-scale DNA sequencing data to investigate a long-standing evolutionary assumption: DNA mutation rates are influenced by a set of species-specific life-history traits. These traits ...
Evolution
Jun 13, 2011
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A landmark study by Florida State University biologists, in collaboration with scientists in Britain, is the first to identify a life-or-death "cell competition" process in mammalian tissue that suppresses cancer by causing ...
Biotechnology
Jul 13, 2010
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A new study reveals how conflict resolution works on the microscopic scale - a protein called Flower marks the weaker cells for elimination in favor of their fitter neighbors. The research, published by Cell Press in the ...
Cell & Microbiology
Jun 14, 2010
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(PhysOrg.com) -- Scientists studying tropical guppies have discovered that the less colorful and attractive males have better quality sperm, while the attractive fish invest in their appearance at the expense of sperm quality.
(PhysOrg.com) -- Men die at higher rates than women across the lifespan. A new study suggests that this excess mortality is the price of reproductive competition.
Evolution
May 24, 2010
43
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(PhysOrg.com) -- Male physical competition, not attraction, was central in winning mates among human ancestors, according to a Penn State anthropologist.
Evolution
May 13, 2010
19
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Leafcutter ant queens can live for twenty years, fertilizing millions of eggs with sperm stored after a single day of sexual activity.
Plants & Animals
Mar 18, 2010
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European regulators said on Wednesday that they are investigating complaints filed by three web companies that contend the US Internet giant Google is not playing fair.
Internet
Feb 24, 2010
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(AP) -- The Federal Trade Commission piled on new antitrust charges against Intel Corp. on Wednesday, seeking to end what it described as a decade of illegal sales tactics that have crippled rivals and kept prices for computer ...
Business
Dec 16, 2009
0
0
San Francisco and Amsterdam set an online stage for an environmental rivalry regarding which city is more nature-friendly.
Environment
Dec 2, 2009
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