This is Scientific American's 60-Second Science, I'm Steve Mirsky, got a minute? Every Star Trek fan knows theres matter and antimatter, but why is there apparently so much more matter than antimatter?Scientific American's JR Minkel: Two recent exp

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 Scientific American(四)月

The solar system is a hostile place. Earth is under attack from deadly cosmic radiation. Life here is only possible, because it's protected by the magnetosphere, an invisible force field that cocoons the planet. But new evidence reveals that this vit

发表于:2019-01-22 / 阅读(45) / 评论(0) 分类 自然百科2011年

The Ministry of Environmental Protection says 31 provinces, autonomous regions and municipalities have signed responsibility pledges to meet air pollution reduction targets by 2017. The promised cuts vary in different regions. Reduction targets for t

发表于:2019-02-03 / 阅读(50) / 评论(0) 分类 CCTV9英语新闻2014年01月

It seemed as if there was no end of strangeness. For the first time, as James Trefil has put it, scientists had encountered an area of the universe that our brains just arent wired to understand. Or as Feynman expressed it, things on a small scale be

发表于:2019-02-17 / 阅读(34) / 评论(0) 分类 万物简史

Since launching in December, China's Dark Matter Particle Explorer (DAMPE) Satellite Wukong has detected 460 million high energy particles, and sent about 2.4 Terra Bytes of raw data back to Earth. Chinese Academy of Sciences senior satellite enginee

发表于:2019-03-04 / 阅读(81) / 评论(0) 分类 2016CRI中国国际广播电台

A: Whats up? You dont look too good. B: Yeah, my head hurts, thats all. Ive been in physics class all day. Its killer! A: I liked physics. Its all math, really; arcs, curves, velocity, cool stuff. B: Yeah, yeah, but todays lesson was all about the cr

发表于:2019-03-06 / 阅读(86) / 评论(0) 分类 英语播客-EnglishPod