蜜芽传媒

How do stinging nettles sting?

Ouch! Dr Yan takes the sting out of nettles to answer a question from Ellen in New York, who asked: How do stinging nettles sting?

23 August 2011

5 minutes

This clip is from

Bang Goes the Theory

蜜芽传媒 Nature

Be captivated, informed and inspired by the world's wildlife.

Without treatment a cholera patient could be dead in less than a day—Series 8, Disaster Relief

Duration: 01:40
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