标签 生物 下的文章

瞎起哄的细菌

ted

所谓独木不成林,细菌也是一样,单一细菌成不了什么气候,但是聚在一起多了,交头接耳,就能闹事情。

像打字一样打印生命

Print Life

TED.jpg

新技术一开始很贵,就像长途电话。但其成本下降的速度比摩尔定律还要快百分之五十。就像你可以用英语、法语或汉语来写句子一样,你可以用生命代码复制编辑打印生命。

冷血动物有心脏自愈能力

Heart healing

It sounds like a witches' recipe: gather the hearts of a fence lizard; a little brown bat; a naked-tailed armadillo; and dozens of others. "So initially we tried to get them from zoos, but unfortunately that didn't work out very well. We couldn't get any samples, even when the animal died, we couldn't get a heart." Guo Huang, a developmental biologist at the University of California, San Francisco. He says they had more success obtaining specimens from the jars of natural history museums.