This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(63) / 评论(0) 分类 Scientific American(十二)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 2017年Scientific American(二)月

By Carol Pearson Washington 02 February 2007 watch Athlete Cardio report People all around the world will be watching the Super Bowl this Sunday (Feb 4). The Super Bowl is, in effect, the world championship of American football. Most people will con

发表于:2019-01-07 / 阅读(76) / 评论(0) 分类 2007年VOA标准英语(二月)

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(50) / 评论(0) 分类 TED演讲国际问题篇

Cat lovers of the world, rejoice! You finally have the chance to understand what your pet is saying thanks to a smart collar that can interpret feline meows and translate it into human speech. Aptly named Catterbox, the collar supposedly has a digita

发表于:2019-02-04 / 阅读(69) / 评论(0) 分类 实用英语

ARI SHAPIRO, HOST: Florida in the summer is a slow, hot drowning. That's the way Lauren Groff describes the state in her new collection of short stories. In another part of the book, she calls Florida a damp, dense tangle, an Eden of dangerous things

发表于:2019-03-01 / 阅读(123) / 评论(0) 分类 2018年NPR美国国家公共电台6月