Science On Top

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Lucas Randall. Topics covered: Russian scientists drill through 4km of ice to a 20 million year old pristine lake. The controversial bacteria and arsenic story from 2010 is back, this time with a new experiment showing different results. Gene expression in astronauts may be altered by zero-gravity, according to levitating fruit-flies. US Scientists are calling for a tax on sugar, saying it's as dangerous and addictive as tobacco or alcohol. And Australian scientists want to use the DNA from three parents, to reduce the risk of inheriting diseases.