If you don't question you're stuck within a pre-existing parameters of knowledge. Questions are what take you outside of those parameters.

Deep in the world of atomic nuclei, life is not always tranquil.

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

Kids are born curious about the world. What adults primarily do in the presence of kids is unwittingly thwart the curiosity of children.

What scientists want next is a thorough comparison of what we and exosolar planets and vagabonds look like. Only in this way will we know whether our home life is normal or whether we live in a dysfunctional solar family.

Private enterprise can never lead a space frontier. It's not possible because a space frontier is expensive, it has unknown risks and it has unquantified risks.

The best educators are the ones that inspire their students. That inspiration comes from a passion that teachers have for the subject they're teaching. Most commonly, that person spent their lives studying that subject, and they bring an infectious enthusiasm to the audience.