Scientists solve mystery of how seals hear in air and underwater

Scientists at the Natural History Museum in London have discovered that seals use specialized cavernous tissue in their middle ears to hear effectively both in air and underwater. This biological adaptation allows the tissue to swell with blood during dives, facilitating sound transmission in water.
The discovery has been made by scientists at the Natural History Museum in London, using micro-CT scans of more than 200 living and fossil seal specimens from the museum's collection - one of the finest of its kind anywhere in the world.
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