科学美国人60秒 SSS 2014-10-14

Americans... the graver section on average were earning more. Researchers wondering how the increased income affects the charitable giving. So they..to LS data from 2006 and 2012. They broke the data down by state county metropolitan area and zip cod

发表于:2019-01-20 / 阅读(78) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-13

Americans are slowly crawling out of recession while averages are earning more. Researchers wonder how the increased income effect charitable giving. So they dove to IS data from 2006 to 2012. They broke the data down by state county Metropolis town

发表于:2019-01-20 / 阅读(71) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-10

how many times does it happens to youmyou start to fall but then catch yourself and continue on your way. well new reaearch shows that falling and catch yourself actually happens everytime you take step and that we persicesly palces we walk to avoid

发表于:2019-01-20 / 阅读(174) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-09

ctually happens every time you take a step. And we precisely place our feet we walk to avoid taking a tumble doing this and doing balancing act.The study is in the draw biology letters.When humans walk,we put one foot in front of the other,but the wa

发表于:2019-01-20 / 阅读(106) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-08

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

发表于:2019-01-20 / 阅读(73) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-07

Here is good news bad news story. Scientists are able to dramatically increase yields of oil palm trees axxx the global market. Oil palm trees grow in tropic so that means more profit for less land helping to protect tropical farms. Good news, right?

发表于:2019-01-20 / 阅读(62) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-02

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

发表于:2019-01-20 / 阅读(108) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-01

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

发表于:2019-01-20 / 阅读(88) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-30

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-24 / 阅读(51) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-15

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-24 / 阅读(44) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-16

This is Scientific American 60-second Science.I'm Steve Mersky.Got a minute? People have been leaving messages on bathroom walls for thousands of years,just google'ancient Roman bathroom graphy'.Well,we are not the only ones to use the ? for informat

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-17

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-24 / 阅读(62) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-21

Coyotes. In the last two decades theyve become common in almost every North American metropolitan area. Stanley Gehrt is a wildlife ecologist at Ohio State University who studies urban coyotes in Chicago. He spoke October 20th at the ScienceWriters20

发表于:2018-12-24 / 阅读(55) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-22

These days, antibiotics are no silver bullet. In fact, if you get them in the hospital, you may end up with an additional infection. Like the bug Clostridium difficile, or C. diffwhich infects more than 300,000 Americans a year and kills some 14,000.

发表于:2018-12-24 / 阅读(51) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-28

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-24 / 阅读(44) / 评论(0) 分类 2014年Scientific American(十)月

科学美国人60秒 SSS 2014-10-31

This is Scientific Americans 60-Second Science. I am Christopher itagliata. Got a minute? The human microbiome means community of tiny organisms that live on us and inside us. These creators play a vital role in our health. They calibrate our min-sys

发表于:2018-12-24 / 阅读(51) / 评论(0) 分类 2014年Scientific American(十)月
最新学习文章
热门学习文章