30 Animals That Made Us Smarter

The way dolphins communicate is being studied to create tsunami early warning systems. They produce click sounds to help navigate and hunt for prey. They listen back to the echoes to help create a 3D image and visualise their surroundings.
www.bbcworldservice.com/30animals
With Patrick Aryee.
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Dolphin and tsunami detector

Dolphin and tsunami detector | CastVibes

Butterfly and butterfly house

The way dolphins communicate is being studied to create tsunami early warning systems. They produce click sounds to help navigate and hunt for prey. They listen