BROADCASTS.com

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

Topics covered:

Study shows rats have empathy, helping other rats escape. Carbon sequestration is likely to be too costly to combat climate change. Doctors take a stand against chiropractors - and is this the age of superstition? CERN calls a press conference and doesn't tell us very much. And the fossilised remains of a scary pre-cambrian superpredator is found with remarkable eyes.