We are the laws of chemistry and physics as they have played out here on Earth, and we are now learning that planets are as common as stars. Most stars, as it turns out now, will have planets.

Life has evolved to thrive in environments that are extreme only by our limited human standards: in the boiling battery acid of Yellowstone hot springs, in the cracks of permanent ice sheets, in the cooling waters of nuclear reactors, miles beneath the Earth's crust, in pure salt crystals, and inside the rocks of the dry valleys of Antarctica.

The existence of life beyond Earth is an ancient human concern. Over the years, however, attempts to understand humanity's place in the cosmos through science often got hijacked by wishful thinking or fabricated tales.

Our television transmitters leak out from the Earth. And actually, there's a sphere surrounding the Earth from the earliest television signals, maybe 70 years ago, that's going out one light year per year. But it's really weak.

Nowadays, everybody assumes, when they wake up in the morning, if they have a question, it will get answered. Because they have the internet. No matter what the question is, someone will answer their question.

Free software is software that respects your freedom and the social solidarity of your community. So it's free as in freedom.

People often pulled into Scientology want to address personal problems in their life, and Scientology says we have technology that addresses these kinds of problems. Just focusing on the problems and trying to remedy them can be helpful.

I've never seen a boy band that had members who look like us - kids of color from all over the world - and met on the Internet.