Everyone should have their mind blown once a day.

There is no science in this world like physics. Nothing comes close to the precision with which physics enables you to understand the world around you. It's the laws of physics that allow us to say exactly what time the sun is going to rise. What time the eclipse is going to begin. What time the eclipse is going to end.

Why can't Pluto be a planet? Some people like Pluto. And if it doesn't exist then they don't have a favorite planet. Right? Please write back but not in cursive because I can't read cursive.

Wow, monitor lizards are pretty gnarly creatures. I want to go with the monitor lizard. That's just weird enough to be true. No?

Down there between our legs, it's like an entertainment complex in the middle of a sewage system. Who designed that?

We need to look at NASA, not as a handout, but as an investment.

The value of the space program is beyond science, it's beyond military; it's a cultural shift in how we think of our place in the universe.