Science On Top

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday 00:00:50 For a long time, vision problems have been a known side-effect of spending a long time in space. We are now a big step closer to understanding why, thanks to some MRI scans done before and after trips to the International Space Station. 00:08:15 The male of the duck-billed platypus has a venomous spurr on its leg. But that venom contains a hormone that could be useful for treating diabetes. 00:13:42 A new study by researchers at Caltech suggests that we could be looking for the cause of Parkinson's Disease in the wrong place. Instead of being a brain issue, it could be related to gut irritation.   This episode contains traces of Wil Anderson talking with journalist Mark Colvin.