Will whales get the bends?

02 May 2014
Presented by Chris Smith.

The building blocks of life, what is a virus? Why don't whales get the bends? How does a 3D printer work? How do 93 and 95 octane fuels differ? Why is ricin deadly by castor oil is safe? Would HIV respond to an induced coma? Why do you cry when you yawn? Join Dr Chris for the answers to more burning science questions...

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