文章列表

• 1.英语听力文摘 English Digest 176、大气层摩擦热
• Reentry Heat [Why does a space shuttle get hotter on reentry than on liftoff?] 能想象航天飞机穿越大气层时受到摩擦产生的热量有多惊人吗？来一起听听吧。 ...
• 2.英语听力文摘 English Digest 175、药物与学习能力
• When you experience something new, do you know what happens to your brain? Some of the neurons in your brain build new connections. The brain is rewir...
• 3.英语听力文摘 English Digest 174、费尔米悖论
• Weve recently been talking about the Fermi Paradox, attributed to Nobel-winning physicist Enrico Fermi. According to reasonable estimates of how many ...
• 4.英语听力文摘 English Digest 173、如鱼得水
• D: OK, Yael, you want to build an aquatic robot,and you're trying to figure out the most efficient way to move it through water, what do you do? Y: I ...
• 5.英语听力文摘 English Digest 172、眼睛间谍
• Eye spy, on this moment of science. You see at a movie's, someone is asked for identification, instead of producing a badge or picture, they simply lo...
• 6.英语听力文摘 English Digest 171、喝酒暖身？不过是错觉
• Contrary to popular belief, alcohol does not make you warmer. It may give you the feeling that youre getting warmer, but thats just an illusion: reall...
• 7.英语听力文摘 English Digest 170、永别了，芝加哥
• Although it is devastating to find out that Chicago is sinking, were only talking one millimeter a year. Thats four inches in a century, but only unti...
• 8.英语听力文摘 English Digest 169、What are fungi, plants or animals?
• Well, mushrooms are merely one of many types of fungi. Not all fungi grow in soil. However, mushrooms and other fungi do resemble plants in many ways,...
• 9.英语听力文摘 English Digest 168、大孩子，小孩子
• Remember seesaws? Those things were great. But there was often a problem. Suppose theres a big kid on one side and a smaller kid on the other side. Th...
• 10.英语听力文摘 English Digest 167、Don’t Try This at Home!
• Dont Try This at Home! Heres a hypothetical scenario that is to remain hypothetical. In other words, dont do this. Okay. Youre cruising along a desert...