Pit your wits against the combined brain power of the Naked Scientists, in this question and answer Special as the team try to find out the truth behind the age of the Milky Way? Whether plants die of old age, and how cats make their fur stand on end? Plus, in the news, contagious yawns, and how the number of takeaways on the way to work affects your risk of weight gain... Like this podcast? Please help us by
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