Some of the most wonderful aspects and consequences of evolution have been discovered only recently. This is in stark contrast to creationism, which offers a static view of the world, one that cannot be challenged or tested with reason. And because it cannot make predictions, it cannot lead to new discoveries, new medicines, or new ways to feed all of us.

People get a lot out of being religious. They have strong senses of community and mutual support. So, what's not to love [there]?

Speaking of human computers, there is a guy named Art Benjamin, he's a human calculator. He says it's a skill he learned as a kid. Now he's a math professor at Harvey Mudd. He can find the square root of a six digit number in a few seconds. Practice.

I meet so many people who are intimidated by arithmetic.

Apparently there is redundancy in memory: You store the same memory in different parts of your brain for accessing at different speeds. That speed would depend on the frequency of use and the importance of the knowledge.

You stop planetary exploration, those people who do that extraordinary work are going to have to go do something else.

A two-and-a-half-year-old is pretty experienced at making a mess, anyway.