One athlete's "psych-up" ritual may psych out an opponent. And even treatments that lack hard evidence of benefit, scientists say, might provide a competitive edge if the athletes believe they work.
Cary Fowler, senior adviser to the Global Crop Diversity Trust, talks about a giant vault of millions of seeds stored away in an icy mountain in Norway. Fowler is the author of Seeds on Ice.
After acquiring Yahoo, Verizon ranks third in digital advertising and is a major player in media and tech. It wants to play in the Silicon Valley sandbox — but don't expect a full transformation yet.
Bee experts warn that novices may be inadvertently putting their hives in danger by not keeping the mite population in check.
Federal environmental regulations for lead in drinking water still leave room for concentrations high enough to pose a health hazard, critics say.
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