文章列表

• 1.时差N小时 轮胎上为什么有胎纹?
• If you've ever driven on a highway during a heavy rain, you know about the danger of skidding. This waterskiing on the road is technically called hydr...
• 2.时差N小时 果胶是什么
• It's pretty easy to guess what most of your food is made of. The meat in your hamburger probably came from a cow, the bun was made from grain, the ket...
• 3.时差N小时 神圣的影子
• In the record of his life at Walden Pond, Henry David Thoreau reported on an odd phenomenon. As I walked on the railroad causeway, he wrote, I used to...
• 4.时差N小时 跑步机与意识
• Lots of people these days get their exercise at gyms and health clubs, oftentimes by walking or running on treadmillsthat is to say, running without g...
• 5.时差N小时 食人鱼
• Piranha! For most people, the name sparks horror-movie images of vicious schools of fish that can reduce a human to a skeleton in minutes. 食人鱼！对...
• 6.时差N小时 航天飞机为什么发光?
• During the space shuttle's third flight, back in nineteen eighty two, astronauts Jack Lousma and C. Gordon Fullerton saw something remarkable. Above t...
• 7.时差N小时 佛罗里达群岛的传统吹海螺壳
• Playing a Frank Sinatra classic on a conch shell helped a local bicycle tour operator take top honors in an unusual musical competition.Lloyd Mager im...
• 8.时差N小时 承受极大压力
• If you love your job, part of the reason may be that you freely chose the work that you do. You were not forced to do it. But imagine a situation duri...
• 9.时差N小时 鲸是怎么演变成水手的?
• Mammals developed from land-based reptiles two hundred million years ago, and most of the mammals we see today are still land based. A notable excepti...
• 10.时差N小时 被烧伤的假象
• You're on the deck catching rays, and even though you know you aren't supposed to tan without sunblock, you figure you'll be able to tell if you start...