You have to actually be weighted to something to do the moonwalk, you know.

The drills we do, where you're telling kids to memorize things, don't actually work. What works is engaging them and letting them do things and discover things.

Some of the most fun people I know are scientists.

I want to make sure that that future that we're creating is one that is the best it can be for people around the world, and also one that includes the full range of our talent and our skills - and, you know, gender and ethnicity, geography - to solving the world's problems.

We look at science as something very elite, which only a few people can learn. That's just not true. You just have to start early and give kids a foundation. Kids live up, or down, to expectations.

I think that people need an adrenalin rush. Folks need something aspirational; they need to do something that is hard. That's what ignites the imagination.