When students cheat on exams, it's because our school system values grades more than students value learning.

If you're scientifically literate, the world looks very different to you, and that understanding empowers you.

No one is dumb who is curious.

This universe knows about me and my crops.

The telescope... is a conduit to the cosmos.

People generally don't recognize how long it takes to conceive, publish, and write a book.

The StarTalks - while kids can watch them, they're actually targeted at adults. Because adults outnumber kids five to one, and adults vote, and adults wield resources, and adults are heads of agencies. So if we're going to affect policy, or affect attitudes, for me, the adults have always been the target population.