Mar 21, 201322m
Why does Washing Shrink?
Mar 21 '1322m
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Who was John Snow? Why do things shrink in the wash? How does carbon dating work? Is intelligence down to mitochondria? Why does the banner also bank behind a banking aircraft? And how does the human body develop in utero? Dr Chris answers more top science questions from South Africa... For information regarding your data privacy, visit

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