文章列表

• 1.【英语时差8,16】科学更衣室
• How do you improve at any sport? You train, train, train. But how you train is just as important as how much. Armed with the science of exercise physi...
• 2.【英语时差8,16】尿引发的信号(一)
• Don: Hey Ya?l, here's another one for your strange but true file---Lobsters and crayfish communicate by shooting streams of urine at each other. Ya?l:...
• 3.【英语时差8,16】高端运动装备
• The crowd goes wild, the cyclist crosses the finish line---And it's a new world record! Today's athletes are constantly breaking the limits of what wa...
• 4.【英语时差8,16】了解能量守恒定律（下）
• Unlike the eight ball situation, the energy seems to have vanished! In fact, we now know that the energy merely changed forms. When the driver hit the...
• 5.【英语时差8,16】为什么闭着眼睛很难单脚站立（下）
• These motion-detectors are not sensitive enough, though, to register movement unless it is of a fairly significant sort. You wouldnt want to get dizzy...
• 6.【英语时差8,16】与脱发抗争
• Many of today's listeners have probably experienced some degree of hair loss. So deeply ingrained in the American psyche is the stigma attached to goi...
• 7.【英语时差8,16】五秒规则，真相还是神话？（上）
• In 2007, microbiologists at Clemson University put the five second rule to the test. They coated squares of tile, wood flooring and carpet with a solu...
• 8.【英语时差8,16】什么是视差和如何计算它（下）
• This is an exciting discovery, because we can now use parallax to judge the distance to objects out in space. Heres how. Because the earth moves aroun...
• 9.【英语时差8,16】为什么同类相残不常见（上）
• Have you ever wondered why cannibalism isnt more popular? Just think about it: each animal is made of a complex variety of chemical ingredients. As an...
• 10.【英语时差8,16】了解能量守恒定律（上）
• Theres a rule in physics called the law of the conservation of energy. Energy can neither be created out of nothing, nor disappear into nothing all it...