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40 Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ni
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Tricky cyclists in the Tour de France sometimes cheat by upping their red blood cell count for those tough stretches through the Alps. But researchers at Calif
兴奋剂的使用在大型赛事里是被完全禁止的,可以为什么还是会有人铤而走险呢? Rob: Hello, I'm Rob Cath: And I'm Cath. Rob: And this is 6 Minute English from BBC Learning English. Today we're talking about doping in spor
Reduction of Your Tension Alternate tasks blocking out an entire day or week for a high-priority project increases your anxiety without boosting your productivity -in fact, you may lose perspective and focus. You need to create a rhythm to your work
白领英语晨读-131 Reduction of Your Tension 减轻压力
You nervous? Were you, at your test? No. I was terrified. The only way our society can survive is for each of you to claim your rightful place. Today, you will take a test that will help you discover who you truly are. The future belongs to those who