This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 Scientific American(四)月

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(66) / 评论(0) 分类 Scientific American(十)月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(77) / 评论(0) 分类 2016年Scientific American(十)月

SCIENCE IN THE NEWS - Stress: What It Can Do to Us, What We Can Do About It By Cynthia Kirk Broadcast: Tuesday, May 17, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm

发表于:2019-01-20 / 阅读(60) / 评论(0) 分类 科技之光

今天我们要学的词是stress。 Stress, 是压力、紧张的意思。Emotional stress, 是情绪紧张,mental stress, 是精神压力。I experienced a lot of stress before the tournament, 是说比赛开始前,我紧张极了。Yoga is a v

发表于:2019-01-20 / 阅读(46) / 评论(0) 分类 英语每日一词

Eleven Ways to Reduce Morning Stress Lose an hour in the morning, and you will be all day hunting for it.Richard Whately Mornings can be the most stressful part of our day if we fail to manage our time and health needs appropriately. Many of us deal

发表于:2019-02-18 / 阅读(61) / 评论(0) 分类 阅读空间