|Science & Medicine||161|
5 live's science podcast, featuring Dr Karl, plus Dr Chris and Naked Scientists Chris Smith and Kat Arney with the hottest science news stories and analysis.
January 19th, 2012
Episode 106 of 688 episodes
Dr Karl answers listeners' questions about the weird and wonderful world of science, including; why there are groupings of metals in space. What are nature's best painkillers. And is it really alright to eat food you've dropped on the floor, if you pick it up within seconds.