I like to regard myself as someone who's capable of critical thought, that is to say, who can evaluate claims.

There's nothing I believe in more strongly than getting young people interested in science and engineering, for a better tomorrow, for all humankind.

I feel that I've often pointed out that there are countless aspects of life and nature that scientists and scientific thinkers cannot explain. Why the universe is accelerating in its expansion and what came before the Big Bang serve as compelling examples. The process of science provides a way to seek answers to those questions.

Bicycling is a big part of the future. It has to be. There's something wrong with a society that drives a car to work out in a gym.

If you want grown-ups to recycle, just tell their kids the importance of recycling, and they'll be all over it.

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

Researchers have proven that scientifically, that all humans are one people