This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Cities have a lot to offer: theater, music, restaurants, birds. Yes, birds. But city birds are not like other birds. Because big cities are inhabited by

发表于:2018-12-24 / 阅读(35) / 评论(0) 分类 Scientific American(四)月

Welcome to the science stock, the weekly podcast of scientific Americans posted on Feburary 25th, 2010. I am Steve Mirsky. Its called The Poisoner's Handbook. But in the most subversive way its about something that is buried in my heart which I think

发表于:2018-12-24 / 阅读(57) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Open your laptop in New York city, and chances are you'll find a Wi-Fi hotspot to surf on. Not so in tiny Lone Pine California, wedged between Death Valley and

发表于:2019-01-08 / 阅读(51) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will just take a minute. For worse or for better, humans are changing the course of evolution. On February 26, we talked about how fishing practices may be driving the evolution of

发表于:2019-01-08 / 阅读(47) / 评论(0) 分类 Scientific American(三)月

Science Blogger Targets Inner City Youth Some blogs function as personal online diaries, while others provide commentary or news on a particular subject. Scientist Danielle Lee's blogging mission is a little different. She hopes to foster an interest

发表于:2019-01-13 / 阅读(31) / 评论(0) 分类 VOA标准英语2011年(九月)

SCIENCE IN THE NEWS - Maya Developed Early / A Shortage of Scientists? / Good Health Information By Broadcast: Tuesday, May 18, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special Engl

发表于:2019-01-16 / 阅读(54) / 评论(0) 分类 科技之光