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:
When Someone's Not Right
The TODAY show looks into the science behind being left-handed, including a visit to Lefty's at PIER 39.
Defying Gravity
What happens in our brain when we view an optical illusion? The information gathered by the eye is processed in the brain to create an idea or image that does not match with a physical measurement of the stimulus source.
Human Nature by Jason deCaires Taylor - Building Reefs With Art
This video details works by Jason deCaires Taylor starting with the oldest pieces through to the most recent in 2012. The filming spans three countries; Grenada, Bahamas and Mexico and is shot entirely using a 7D and Sigma Lenses.
Global Warming - Can We Risk It?
A new way to think about the climate change debate, with over 13 million total views on various postings.
Joan Halifax: Compassion and the True Meaning of Empathy
Buddhist roshi Joan Halifax works with people at the last stage of life (in hospice and on death row). She shares what she's learned about compassion in the face of death and dying, and a deep insight into the nature of empathy.