文章列表

• 1.【英语时差8,16】鸟类迁徙与消化系统（下）
• However, when birds migrate, they cant afford to spend all that energy on digestion. And so their digestive system partially shuts down and stops rene...
• 2.【英语时差8,16】腰围与心脏病
• Dozens of studies over the past few years have shown that a thick waist raises the risk for heart disease. Now a new study finds that the thicker your...
• 3.【英语时差8,16】鸟类迁徙与消化系统（上）
• If you thought birds were amazing before, wait until you hear what they put their bodies through in order to migrate. Although its probably no surpris...
• 4.【英语时差8,16】凶猛的鱼类（下）
• The four species of piranha that are carnivorous, however, certainly earn their reputation as fierce fish. These meat-eaters have powerful jaws and ra...
• 5.【英语时差8,16】凶猛的鱼类（上）
• The movie Jaws was so frightening that many people who saw the film swore off swimming in the ocean. Consequently, when most people think of fearsome ...
• 6.【英语时差8,16】大怪脚-北美野人
• Everybody has heard of Bigfoot, the gigantic ape-like creature that supposedly haunts the forests of the Pacific Northwest. Plenty of enthusiasts beli...
• 7.【英语时差8,16】巨石阵之谜（下）
• Theres one of the surprises. The Beaker Culture had its Bronze-age heyday in the Alps, not in England. Researchers did chemical analysis of the remain...
• 8.【英语时差8,16】巨石阵之谜（上）
• Wizards and aliens aside, actual scientists dont have much to say about Stonehenge-the ancient ring of rocks that hasnt been said. That is, until now....
• 9.【英语时差8,16】嘴唇为何会干？（下）
• What this means is that our lips have little to no protection from the environment, and their main source of moisture is the saliva that comes from ou...
• 10.【英语时差8,16】鸟类荷尔蒙映射其生活策略(下)
• Researchers wondered if corticosteroid variability was somehow related to life strategies. Would birds like the short lived great Tit, which lays twel...