Where does dust come from?

07 February 2014
Presented by Chris Smith.

How does acid produce stem cells? Why do carpets creep across the floor? Where does dust come from? Why can't flying insects escape from the surfaces of swimming pools? Do women multitask better than men? What is andogenic alopecia? Do we sneeze when we are asleep? What's special about graphene? And is nutritional data on food labels reliable?

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