Recipe for energy saving unravelled in migratory birds May 14, 2008 | User rating: 4.3 / 5 after 6 vote(s)
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Pointed wings together with carrying less weight per wing area and avoidance of high winds and atmospheric turbulence save a bird loads of energy during migration. This has been shown for the first time in free-flying wild ... | |
 When following the leader can lead into the jaws of death May 12, 2008 | User rating: 4.3 / 5 after 18 vote(s)
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For animals that live in social groups, and that includes humans, blindly following a leader could place them in danger. To avoid this, animals have developed simple but effective behaviour to follow where ... | |
Mouse study: When it comes to living longer, it's better to go hungry than go running May 14, 2008 | User rating: 4.3 / 5 after 6 vote(s)
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A study investigating aging in mice has found that hormonal changes that occur when mice eat significantly less may help explain an already established phenomenon: a low calorie diet can extend the lifespan of rodents, a ... | |
Researchers discover architecture for fundamental processes of life May 13, 2008 | User rating: 4.3 / 5 after 10 vote(s)
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A team of Canadian researchers has completed a massive survey of the network of protein complexes that orchestrate the fundamental processes of life. In the online edition of the journal Science, researchers from the Université ... | |
Ancient protein offers clues to killer condition May 12, 2008 | User rating: 4.2 / 5 after 18 vote(s)
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More than 600 million years of evolution has taken two unlikely distant cousins – turkeys and scallops - down very different physical paths from a common ancestor. But University of Leeds researchers have found that a motor ... | |
Small primate ancestors had a leg up May 15, 2008 | User rating: 4.2 / 5 after 6 vote(s)
| User comments: 1
Smaller primates expend no more energy climbing than they do walking, Duke University researchers have found. This surprising discovery may explain the evolutionary edge that encouraged the tiny ancestors of modern humans, ... | |
 Ants swarm over Houston area, fouling electronics May 14, 2008 | User rating: 4.1 / 5 after 19 vote(s)
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(AP) -- In what sounds like a really low-budget horror film, voracious swarming ants that apparently arrived in Texas aboard a cargo ship are invading homes and yards across the Houston area, shorting out ... | |
Researchers document rapid, dramatic 'reverse evolution' in the threespine stickleback fish May 15, 2008 | User rating: 4 / 5 after 8 vote(s)
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Evolution is supposed to inch forward over eons, but sometimes, at least in the case of a little fish called the threespine stickleback, the process can go in relative warp-speed reverse, according to a study led by researchers ... | |
 US lists polar bear as threatened species May 14, 2008 | User rating: 2.6 / 5 after 14 vote(s)
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(AP) -- The Interior Department has decided to protect the polar bear as a threatened species because of the decline in Arctic sea ice from global warming, officials said Wednesday. | |
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