With DNA, you have to be able to tell which genes are turned on or off. Current DNA sequencing cannot do that. The next generation of DNA sequencing needs to be able to do this. If somebody invents this, then we can start to very precisely identify cures for diseases.
I think it matters whether someone has a good heart.
A Prius is not a true hybrid, really. The current Prius is, like, 2 percent electric. It's a gasoline car with slightly better mileage.
A battery by definition is a collection of cells. So the cell is a little can of chemicals. And the challenge is taking a very high-energy cell, and a large number of them, and combining them safely into a large battery.
I would like to die on Mars. Just not on impact.
The value of beauty and inspiration is very much underrated, no question. But I want to be clear: I'm not trying to be anyone's savior. I'm just trying to think about the future and not be sad.