This is Scientific American 60 second Science, I am Christopher Intagliata, got a minute? It's no secret cigarettes can yellow your teeth. But tobacco smoke has another, unseen effect. It can wipe out the healthy bacteria in your mouth, leaving the f

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

Soon we will be in a position to go forth in the field with sequencers on our backs to hunt bacteria in tiny crevices of the habitat's surface, 不久的将来,我们还将可以通过便携式的测序机完成这样的操作,直接寻找到那些隐

发表于:2019-01-03 / 阅读(31) / 评论(0) 分类 TED演讲科学篇

Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand? Or the back of your knee? Or behind your ears? Probably not as well as scientists at the National Institutes of Health who just completed a sur

发表于:2019-01-30 / 阅读(82) / 评论(0) 分类 60秒科学

Amd of course, you've just heard and you already know that we're running out of antibiotics. 当然,你一定听说过,而且你早就知道了,我们快要没有有效的抗生素了。 Bacteria are incredibly multi-drug-resistant right now, a

发表于:2019-03-04 / 阅读(66) / 评论(0) 分类 TED演讲教育篇

So we went back to molecular biology and started studying different bacteria, 所以我们回到分子生物学的方法,开始研究不同的细菌, and what we've found now is that in fact, bacteria are multilingual. 我们现在已经发现,事

发表于:2019-03-04 / 阅读(72) / 评论(0) 分类 TED演讲教育篇

We also then went to look at what are these molecules -- these were the red triangles on my slides before. 我们同时也研究了这些小分子,这些就是我刚才幻灯上的小红三角形。 And so this is the Vibrio fischeri molecule. This

发表于:2019-03-04 / 阅读(110) / 评论(0) 分类 TED演讲教育篇