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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Underwater Astonishments
David Gallo shows jaw-dropping footage of amazing sea creatures, including a color-shifting cuttlefish, a perfectly camouflaged octopus, and a Times Square's worth of neon light displays from fish who live in the blackest depths of the ocean.
Andy Puddicombe: All It Takes Is 10 Mindful Minutes
When is the last time you did absolutely nothing for 10 whole minutes? In this video Andy Puddicombe discusses how to benefit from meditation in just 10 mindful minutes.
Bryan Stevenson: We Need to Talk About an Injustice
In an engaging and personal talk -- with cameo appearances from his grandmother and Rosa Parks -- human rights lawyer Bryan Stevenson shares some hard truths about America's justice system, starting with a massive imbalance along racial lines: a third of the country's black male population has been incarcerated at some point in their lives.
Neale Donald Walsch - How to Break Free from Poverty & Hard Times?
Neale Donald Walsch is an American author of the series Conversations with God. Before writing the Conversations With God series Walsch worked variously as a radio station program director, newspaper managing editor, and in marketing and public relations.
Carl Honore: In Praise of Slowness
MIT professor Neil Gershenfeld talks about his Fab Lab -- a low-cost lab that lets people build things they need using digital and analog tools. It's a simple idea with powerful results.