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This got a bit more complicated two years later. Twenty-one countries came together. Dozens of teams. They started competing.
在两年后这个实验又变得更复杂了一点，21个国家参与了进来，几十个团队，他们开始竞争。
The team from Rice University started to engineer the substance in red wine that makes red wine good for you into beer.
莱斯大学的团队开始改造红酒里的物质，把那些对你有好处的东西放进啤酒。
So you take resveratrol and you put it into beer. Of course, one of the judges is wandering by, and he goes, "Wow! Cancer-fighting beer! There is a God."
你可以提炼出白藜芦醇放进啤酒，当然，有一位评审走过时，发出这样的惊叹，哇哦！抗癌啤酒！上帝的确存在！
The team from Taiwan was a little bit more ambitious. They tried to engineer bacterias in such a way that they would act as your kidneys.
来自台湾得团队更雄心勃勃，他们想要这样修改细菌，让它们像你们得肾脏一样工作。
Four years ago, I showed you this picture. And people oohed and ahhed, because Cliff Tabin had been able to grow an extra wing on a chicken.
4年前，我给你们看了这张图片。人们惊叹不已，因为克里夫·塔宾能在鸡身上多长一只翅膀出来。
And that was very cool stuff back then. But now moving from bacterial engineering to tissue engineering, let me show you what's happened in that period of time.
那时候这真是非常酷的东西，现在从细菌改造到生物组织制造，让我来展示给你们看这段时间里发生了什么。
Two years ago, you saw this creature. An almost-extinct animal from Xochimilco, Mexico called an axolotl that can re-generate its limbs.
2年前，你们看这个生物。一种几乎灭绝的生物，生活在霍奇米尔科，墨西哥，叫做蝾螈。
You can freeze half its heart. It regrows. You can freeze half the brain. It regrows. It's almost like leaving Congress.
它能再生自己的四肢，你能冷藏它的半颗心脏，它会再长出来，冷藏它的一半大脑，它会再长出来，几乎就像是离开国会。
But now, you don't have to have the animal itself to regenerate, because you can build cloned mice molars in Petri dishes.
但是现在，你不必要那个动物再自我恢复，因为你能在培养皿里制造克隆的老鼠的磨牙。
And, of course if you can build mice molars in Petri dishes, you can grow human molars in Petri dishes.
当然如果你能在培养皿里制造老鼠牙齿，你就也能在培养皿里生长人类的磨牙。
This should not surprise you, right? I mean, you're born with no teeth. You give away all your teeth to the tooth fairy.
这些不会让你感到惊奇吧？你们出生的时候是没有牙齿的，你把自己的牙齿全都给了牙仙。
You re-grow a set of teeth. But then if you lose one of those second set of teeth, they don't regrow, unless, if you're a lawyer.
又长出了一副牙齿，但如果你失去了第二副牙齿，就不会再长出来了，除非，你是个律师。
