Neurosurgeon Andres Lozano talks about dramatic findings in deep brain stimulation including a woman with Parkinson's who instantly stops shaking, and brain areas eroded by Alzheimer's that are brought back to life.
China is in a holding pattern, waiting for the trial of a former rising star in the Communist party, Bo Xilai.
Bo ran the city of Chongqing — a metropolis of 30 million people. He is being tried on corruption charges, including taking $3.3 million in bribes.
Bo is considered by Forbes to be the 10th richest man in China. He is also suspected of involvement in the killing of British business man Neil Heywood — for which his wife Gu Kailai has been convicted.
So far, authorities have not said exactly when the trial will begin, or detailed all the charges against Bo.
Why can't two slices of pizza be used as a slide clicker? Why shouldn't you make music with ketchup? Inventor Jay Silver talks about the urge to play with the world around you and demos MaKey MaKey, a kit for hacking everyday objects.
Mankind has driven species after species extinct. Now Stewart Brand says, we have the technology to bring back the species that we wiped out. So should we? Which ones? He asks a big question whose answer is closer than you may think.
In 1986, the first PC virus - Brain - began to spread. What was once annoying has become a sophisticated tool for crime. Computer security expert Mikko Hyppönen describes discovering Brain and why the guys who wrote it never meant any harm.