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This is Scientific American's 60-Seconds Science. I'm Karen Hopkin. This will just take a minute. Elephants. Theyre the SUVs of the animal kingdom. Theyre big and rugged, and can carry lots of cargo. And now a study in the Proceedings of the National
Scientific American(三)月
Imagine if before you took each step, your guts lurched up into your throat. Well, caterpillars dont have to imaginethey take such drastic steps every day. Researchers were interested in how fluids move around inside a caterpillar. So they put one on
Scientific American(七)月
When Michael Phelps is out of the water, he towers over mere non-Olympic mortals. Then he slips into the pool, and makes record-breaking speed seem effortless. His height, it turns out, is no accident. According to research published in The Journal o
Scientific American(七)月
Big cats or wolves seem like scaled-up versions of the tabby or terrier sleeping on your sofa. But the proportions do subtly change as animals get larger. For one thing, big animals feet are smaller relative to their bodies than are smaller beasts. B
Scientific American(三)月
The gut of the tobacco hawk moth caterpillar used in the study moves forward independently of, and ahead of, the surrounding body and wall and legs. By turning a powerful x-ray machine on a caterpillar, scientistists have discovered a novel way of mo
VOA标准英语2010年(七)月
Which species would take over the world if humans went extinct? 如果人类灭绝了，哪类物种会统治世界？ 来自Quora的网友总结： Well it won't be fecking dolphins, that's for sure. Because: 当然，那TM肯定不可能是海豚。因
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