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.
Other Videos That May Interest You:
Ron Gutman: The Hidden Power of Smiling
Ron Gutman reviews a raft of studies about smiling, and reveals some surprising results. Did you know your smile can be a predictor of how long you'll live -- and that a simple smile has a measurable effect on your overall well-being? Prepare to flex a few facial muscles as you learn more about this evolutionarily contagious behavior.
Annie Murphy Paul: What We Learn Before We're Born
Pop quiz: When does learning begin? Answer: Before we are born. Science writer Annie Murphy Paul talks through new research that shows how much we learn in the womb -- from the lilt of our native language to our soon-to-be-favorite foods.
Julian Baggini - Is There A Real You?
One of the best known philosophers in the UK, Julian will ask the question 'Is There A Real You? He will draw on the research supporting his latest book 'The Ego Trick' and challenge our audience to reflect on their understanding of the 'Self'.
How Great Leaders Inspire Action
Simon Sinek presents a simple but powerful model for how leaders inspire action, starting with a golden circle and the question "Why?" His examples include Apple, Martin Luther King, and the Wright brothers -- and as a counterpoint Tivo, which (until a recent court victory that tripled its stock price) appeared to be struggling.
Charlie Todd: The Shared Experience of Absurdity
Charlie Todd causes bizarre, hilarious, and unexpected public scenes: Seventy synchronized dancers in storefront windows, "ghostbusters" running through the New York Public Library, and the annual no-pants subway ride.