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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If all you have is a hammer, they say that everything looks like a nail. But when you use that hammer, it looks like you are arm to your brain anyway. A
Scientific American(六)月
Fingernails. Theyre good for scratching, biting, clipping, and polishing. But what are they, in fact? 手指甲可以被用来划，咬，剪，磨。但是事实上，它们究竟是什么呢？ Although nails may look simple, they actually have var
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Pre-Listening Vocabulary dominant: strong; used most often keratin: a fibrous protein found in hair, nails, and the outer layer of skin puberty: the growth period during which a childs body reaches sexual maturity nail-biting: causing anxiety or nerv
趣谈英语
Murder had come to the old house on the street called Rue Morgue! Murder had come and gone and left behind the dead bodies of an old woman and her daughter. It was a perplexing crime scene. The damage to the daughters body suggested a killer of super
2017年VOA慢速英语(十)月
Tools Are Body Parts to Brain In a report in the journal Current Biology, researchers claim that the brain interprets a tool, such as a hammer, as a temporary extension of your physical body. Karen Hopkin reports [The following is an exact transcrip
60秒科学