For me, one of the most fertile consequences of the space program is the extent to which it stimulates people to innovate because they want to create a different tomorrow than what they're living in today. And it's that culture of innovation that spawns entirely new economies.

NASA has spin-offs, and it's a huge and very impressive list, including accurate and affordable LASIK eye surgery.

What do you call those knobby things on doors that help you open them?

Modern science is under no obligation to satisfy the expectations of your five senses.

If the purpose of the universe was to create humans then the cosmos was embarrassingly inefficient about it.

You get to say that the Earth is flat because we live in a country that guarantees your free speech. But it's not a country that guarantees that anything you say is correct.

To get an Emmy nomination for a show that was the first-ever science talk show on television to us was an affirmation that there is an appetite for this content in the mainstream public, not just the erudite public. So we're all completely thrilled by it.