This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? A new development in malaria: Plasmodium vivax, the worlds most common malaria parasite, now infects people previously considered to be resistant. Peter Zimmerman from Cas

发表于:2018-12-24 / 阅读(37) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60 seconds science. I'm Ian Chant. Got a minute Secret identities aren't just for superheros anymore. Researchers have found that protein present in everything from amoebas to people is living the double life. Once it bi

发表于:2018-12-24 / 阅读(54) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(36) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. Imagine tweezers so fine that you could reach right into a cell and manipulate individual molecules. MIT researchers have created such a tweezer, using

发表于:2019-01-08 / 阅读(44) / 评论(0) 分类 Scientific American(七)月

The big dream for neuroscientists is to be able to watch our brain cells in action, in real time. Well, new research has maybe found the most promising tool yeta technique to watch individual neurons light up in response to a stimulus, like flipping

发表于:2019-01-08 / 阅读(53) / 评论(0) 分类 Scientific American(五)月

But those are dots on a screen for you; what exactly does that mean? 但是那些你们看起来是屏幕上的点;到底有什么意义呢? Well basically that means that this protein is changing from the sensitive cell to the resistant cell. 基本

发表于:2019-02-21 / 阅读(45) / 评论(0) 分类 TED演讲教育篇