8.00/10 2012-11-14 55 minutes.HDAsteroid - Will a doomsday rock the size of the Rose Bowl hit Earth in 2036?
Island of Stability - Follow the decades-long quest to create the elusive element 114.
Obesity - Examine the biology behind the compulsion to eat.
Profile: Karl Iagnemma - An innovative MIT roboticist is also an acclaimed fiction writer.An: 2012Studio: PBSPays: United States of America