Ai Weiwei: 'Life is never guaranteed to be safe'
Ai Weiwei, the Chinese artist who will soon take over Tate Modern's Turbine Hall, on why he wants to tell people that it's OK to speak out.
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Splitscreen: A Love Story
Can two people who live on opposite sides of the world have anything in common? This is the story of two parallel lives, one in New York and one in Paris and the journey that will lead them together. Told simultaneously through the eyes of both characters.
True Humanity At Its Finest
When this autistic man started having trouble singing the national anthem, something happened that could bring you to tears. What an amazing display of humanity. It's great to see that there is still goodness in the world.
Alexander Tsiaras: Conception to Birth - Visualized
Image-maker Alexander Tsiaras shares a powerful medical visualization, showing human development from conception to birth and beyond. (Some graphic images.)
Phil Plait: How to Defend Earth From Asteroids
What's six miles wide and can end civilization in an instant? An asteroid - and there are lots of them out there. With humor and great visuals, Phil Plait enthralls the TEDxBoulder audience with all the ways asteroids can kill, and what we must do to avoid them.
KABBALAH - What is Kabbalah? Universal Kabbalah Series (Part 2)
Universal Kabbalah is a study of philosophical thought that helps us organize and heal our mind. How has Kabbalah contributed throughout history? What can it do for us? Why study it now?