Science is the best thing humans beings have ever come up with. And if it isn't, science will fix it.

I don't perceive an anti-religious agenda, especially with regard to Christians and Christianity. The issue being debated was creationism, the idea that the Earth is 6,000 years old. As I understand it, this involves the Bible's Old Testament exclusively.

I stand by my assertions that although you can know what happens to any individual species that you modify, you cannot be certain what will happen to the ecosystem. Also, we have a strange situation where we have malnourished fat people. It's not that we need more food. It's that we need to manage our food system better.

Anybody who grew up with the space program is a fan of science fiction.

I'll admit that the discovery of evolution is humbling, but it is also empowering. It transforms our relationship to the life around us. Instead of being outsiders watching the natural world go by, we are insiders. We are part of the process; we are the exquisite result of billions of years of natural research and development.

If you meet somebody who says he or she has never dreamed of flying, I don't believe you. I mean, they're lying.

By the way, most of the light that comes from the sun is green.