What gives water its colour? - a podcast by Dr Chris Smith

What sort of star is the Sun? Can damage done by Multiple Sclerosis be repaired? Why does an acetylene torch need oxygen? How are calories in food calculated? What gives water its colour? Is drinking distilled water bad for you? What is sleep paralysis? Can liquids be compressed? Plus, how smells give away gender. Like this podcast? Please help us by supporting the Naked Scientists

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