I used to play ultimate Frisbee, and I just got a reputation for making popcorn at parties. I don't mean to brag on myself, but I make the popcorn in the pot, and it comes out fine every time.

To leave the world better than you found it, sometimes you have to pick up other people's trash.

Hard to find anything lovelier than a tree. They grow at right angles to a tangent of the nominal sphere of the Earth.

That's what makes a human a human, if we store information outside our bodies.

Science is the key to our future, and if you don’t believe in science, then you’re holding everybody back. And it’s fine if you as an adult want to run around pretending or claiming that you don’t believe in evolution, but if we educate a generation of people who don’t believe in science, that’s a recipe for disaster. We talk about the Internet. That comes from science. Weather forecasting. That comes from science. The main idea in all of biology is evolution. To not teach it to our young people is wrong.

Climate change is happening, humans are causing it, and I think this is perhaps the most serious environmental issue facing us.

The most serious problem facing humankind is climate change. All of these people breathing and burning our atmosphere has led to an extraordinarily dangerous situation. I hope next generation will emerge and produce technology, regulations, and a worldview that enable as many of us as possible to live happy healthy lives.