30 Animals That Made Us Smarter
Woodpecker and black box
14 minutes
First broadcast:Available for over a year
A bird’s remarkable skull and the quest to protect aeroplane flight data recorders from damage caused by high impacts. Woodpeckers can hammer repeatedly on trees without damaging their brain. Could this lead to new designs for black boxes and bicycle helmets? With Patrick Aryee.
www.bbcworldservice.com/30animals
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