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Charles Czeisler, director of the Division of Sleep Medicine at Harvard Medical School, talked about the dangers of drowsy driving at a recent Harvard T. H. Chan School of Public Health Forum called Asleep at the Wheel.
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Social spiders in artificially assembled groups of all bold or all shy members fared less well against predators than a group with some shy and some bold members.
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Reducing fat from chocolate can gum up manufacturing equipment, making low-fat chocolate hard to produce—but an electric field can help. Christopher Intagliata reports.
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When immune cells rush to the site of a mosquito bite, viruses hijack the cells and turn them into viral factories—in mice, at least. Christopher Intagliata reports.
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In the first known example of a mutualistic relationship between two mammal species in which neither is a primate, mongooses feast on ticks and other parasites infesting warthogs.
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A lizard's stripes may make them look like they’re moving slower than they really are, confusing predators that tend to aim at the head but may wind up with the tail.
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More particulate matter in the air can build stronger, longer-lasting thunderstorms over the tropics, leading to more extreme storms. Christopher Intagliata reports.
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The microbes found in crushed grapes were linked to certain chemical fingerprints in the finished wine. Christopher Intagliata reports.
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In mice, intestinal microbes respond to a high-fat diet by producing acetate, which triggers the release of a hormone that makes mammals feel hungry, causing them to eat even more.
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Wildlife researcher Joel Berger dons a polar bear outfit to study the reactions of musk oxen to the threat of bears increasingly driven onto the land for food.
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