Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Lucas Randall, Vanessa Hill.

Topics covered:

NASA's next Mars rover, Curiosity, is about to launch - and a Russian Mars probe is in trouble. A new drug helps fat monkeys get slim, a new model explores the shape of continental plates. Autism could be caused by too many brain cells in a key area of the brain, the Spotted Horse may have existed 25,000 years ago, and a new approach to lung cancer treatment.

Vanessa Hill is an education officer for CSIRO, Australia’s national science organisation.