There really is no such thing as race.

Science is the best thing humans beings have ever come up with. And if it isn't, science will fix it.

I meet so many people who are intimidated by arithmetic.

I always liked show biz and got to make a few training films at Boeing.

Millennial voters are very concerned about climate change and will vote for candidates who are planning to address it. But the systems that are in place - people talk about gerrymandering and the money that's in politics, this is a real thing, a real effect - and it's hard for climate change-denying legislators to get voted out. But I predict it will happen.

The world's going to change climatically. We just want to control the change. We want to have a high quality of life for billions of people as we pass through this era.

When we see the shadow on our images, are we seeing the time 11 minutes ago on Mars? Or are we seeing the time on Mars as observed from Earth now? It's like time travel problems in science fiction. When is now; when was then?