Asteroid, Island of Stability, Karl Iagnemma

Asteroid - 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.

The show’s own verdict is on its page.