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[科学美国人60秒综合系列] 60秒科学:Molting Molds Flying Bir
Molting Molds Flying Bird Size Limit A study in the journal Public Library of Science Biology finds that it's the rate at which flying birds can replace their flight feathers that determines ho..2009-06-18 编辑:melody
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[科学美国人60秒综合系列] 60秒科学:Earth's Fried Far-Future&
Earth's Fried Far-Future PostponedA study in the Proceedings of the National Academy of Sciences adds at least a billion years to the already far-future estimate of when the sun will make Earth..2009-06-17 编辑:melody
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[科学美国人60秒综合系列] 60秒科学:The Rain's Maintained&nbs
The Rain's Maintained Speed Strain Is Now Explained A study in the journal Geophysical Research Letters finds that some raindrops are falling faster than they "should" be, which means..2009-06-16 编辑:melody
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[科学美国人60秒综合系列] 60秒科学:Brain Knows It's Duc
When an Iraqi reporter threw his shoe at President Bush, University of Washington neurologists were delighted. But not because of politics. The fling was just real-world evidence of a theory they wer2009-06-13 编辑:echo
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[科学美国人60秒综合系列] 60秒科学:Maple Seed Flight Aerody
What do a hummingbird, a moth, and a maple tree have in common? They all use a similar trick to fly. Okay, okay, a maple tree doesn’t fly. But its seeds kind of do. Maples make those little whirlybi2009-06-12 编辑:echo
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[科学美国人60秒综合系列] 60秒科学:Speed-Dating Roles Influence&
For folks who’ve engaged in the strange ritual of “speed dating,” finding that special someone is like winning a romantic game of musical chairs. Now scientists from Northwestern University say th2009-06-11 编辑:echo
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[科学美国人60秒综合系列] 60秒科学:Antioxidants and Male Fe
Guys, here’s another reason to eat your veggies: they might be good for your sperm. Some studies show that male fertility and what’s called seminal quality have declined over the last few decades.2009-06-10 编辑:echo
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[科学美国人60秒综合系列] 60秒科学:Hudson Plane:Out-of-Town Gees
Back on January 15th, US Airways Flight 1549 made that amazing water landing in the Hudson after both engines were taken out by Canada geese, which can weigh eight pounds each. Now scientists have us2009-06-09 编辑:echo
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[科学美国人60秒综合系列] 60秒科学:A Little Yolk for B
When it comes to lizard sex, size does matter. But not in the way you might think. Because in the June 4th online issue of the journal Current Biology, scientists say that for at least one type of li2009-06-07 编辑:echo
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[科学美国人60秒综合系列] 60秒科学:Illness Behind Most Bank
Remember the heady days of 2007, before the large economy sized recession? Well, even back then medical problems contributed to over 62 percent of all bankruptcies. That’s according to a study by re2009-06-06 编辑:echo