What gives water its colour?

23 May 2014
Presented by Chris Smith, Redi Tlhabi.

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.

Add a comment

CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.