peta2: At only 16 years old, Tia Blanco is already one of the top women surfers in the world. Learn how her vegan diet has helped Tia surf her way to the top!

If a hotel with an infinite number of rooms has an infinite number of guests, how could it free up space when new guests arrive? Hilbert's “Grand Hotel” paradox has fascinated mathematicians, physicists, philosophers, and theologians, as it encourages another way of thinking about the notion of infinity.

Schrodinger’s hypothetical experiment involved putting an unfortunate cat into a box with a Geiger counter and a vial of deadly poison. Until the box was opened, the cat could be said to be alive, or dead… or possibly in both of these states simultaneously.

The philosopher Friedrich Nietzsche questioned the ability of science to explain and give meaning to our world, daring us to think critically not only about religion, but science, and knowledge itself. Learn all about his ideas in this fun video inspired by vintage video games.

The flamboyant pop sensation Lady Gaga talks about the creative process behind her single "Applause." She explains how being forced to slow down by a hip injury actually helped her to focus, about working with famous names from the world of art, and exactly how much it means to her to be performing again for her adoring fans.

All Hands Volunteers is a US-based, non-profit organization that provides hands-on assistance to survivors of natural disasters around the world with maximum impact and minimum bureaucracy. Their mission is to enable volunteers to provide assistance to communities affected by natural disasters.

Enjoy this mix of Amy Winehouse songs, which shows her musical ability and the diversity of her sound.

In Apple’s award-winning ad entitled “The Underdogs," we see how four colleagues put together a presentation and prototype in just two days using the company's products and technology.

The skipper of the Aqua Quest gives us an introductory tour on his boat. He explains the different electronic equipment that is necessary on a boat and talks about some new improvements which have made life easier for him and his crew.

This is part two of the documentary about the Aqua Quest. This time Bob Mayne shows us the sleeping quarters of his crew as well as the galley and what usually gets cooked up for breakfast.

‘Boo Boo’ from Atlanta, Georgia, shows us around his boat, the “Aqua Quest”. He’s been working on this boat for 22 years and talks mainly about the engine technology.

Paul Van-Auken and the Aqua Quest team are in search of the lost continent Atlantis. Paul reveals some of his discoveries and tells us a little bit about his life.

In this interview Jimmy Carter asks Robin Williams about his experiences during the making of the movie Hook.

Jimmy Carter interviews Bruce Willis about his third Die Hard movie Die Hard with a Vengeance. Furthermore they also discuss death and head shapes.

Jimmy Carter interviews actress Angelina Jolie, who is UNHCR Goodwill Ambassador, about her new film Beyond Borders.