What gives water its colour?

What sort of star is the Sun? How are calories in food calculated? What gives water its colour? What is sleep paralysis?
23 May 2014
Presented by Chris Smith, Redi Tlhabi

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Water Droplet

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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.

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