Science On Top

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Tom Sidwell. Topics covered: A new strain of the pertussis bacteria may reduce the effectiveness of the whooping cough vaccine - but only slightly. The gut microflora may be a lot more complicated than previously thought. A new study casts doubt on the most widely accepted theory of the moon's creation. Human ancestors may have mastered fire a million years ago - much earlier than previously thought. A new imaging technique reveals stunning grid-like structures in the brain. And the genetic mutation in van Gogh's sunflowers.