文章列表

• 1.【英语时差8,16】为什么磁极会交换方向？
• Every so often, however, that regular motion is interrupted. Think of what happens when you stir that bubbling soup. It takes a few minutes for things...
• 2.【英语时差8,16】网格球顶
• Ever heard of a man named Buckminster Fuller, or Bucky, as his friends called him? R. Buckminster Fuller was a twentieth century scientist, philosophe...
• 3.【英语时差8,16】磁极2
• Youre a polar explorer and youve just reached the north pole. The huskies are yapping, the cameras are ready and youre just about to unfurl the flag w...
• 4.【英语时差8,16】磁极
• By calculating how old the rocks are where we find these ancient compasses, we can figure out how long ago the magnetized parts were locked in. That t...
• 5.【英语时差8,16】毛毛虫与植物
• If you have kids, youve probably read the children's book The Very Hungry Caterpillar at least five thousand times. If you havent had the pleasure, he...
• 6.【英语时差8,16】香烟，烟斗，雪茄2
• One study found that people who smoke pipes or cigars are more likely than non smokers to have chronic obstructive pulmonary disease. People with the ...
• 7.【英语时差8,16】乐观有益于健康2
• Its hardly clear that there is a causal relationship between optimism and health; it could be that they are related to the same underlying gene comple...
• 8.【英语时差8,16】香烟，烟斗，雪茄
• We all know that smoking cigarettes is bad. But what about smoking a pipe or cigars? Since you dont inhale, is it better for your health? Or at least ...
• 9.【英语时差8,16】乐观有益于健康
• Research shows that whether a person is an optimist or a pessimist is related to their quality of life, including their physical health. The subjects ...
• 10.【英语时差8,16】如何保存肉类？2
• If the uncooked meat is refrozen these new bacteria are put into suspended animation along with their living ancestors. This means that when the meat ...