Still, I'm optimistic. Yes, inequity has been with us forever, but the new tools we have to cut through complexity have not been with us forever. They are new-they can help us make the most of our
What are the characteristics we can control for? 我们能够控制那些特征？ Well I'm going to match families on country of birth and residence, 我考虑的匹配包括出生地和居住地， the demographics -- what sex, their age -- their incom
And so the idea of a smart grid is, if you can hook up a national electricity grid that is state of the art and it has switches and computer monitors that are able to help regulate the flow of electri
This ability to make copies of DNA, as simple as it sounds, has transformed our world. DNA的这种复制能力听起来很简单，却改变了我们的世界。 Scientists use it every day to detect and address disease, to create innovative medic
