Mar 25, 201128m
Where do soundwaves go?
Mar 25 '1128m
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The fate of soundwaves, can salamanders use silicon, why did the moon come closer to Earth, do you need to inhale to smell something, how do drugs know where it hurts and what preceded the Big Bang. Join Dr Chris for the answers to this week's crop of questions and news of how fish are helping scientists solve the problem of melanoma... For information regarding your data privacy, visit

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