But heart cockles do not open—instead, as the researchers in this new effort have found, they allow sunlight to pass through their shells courtesy of tiny windows. Photographs of heart cockles ...
Tiny, solid windows in the shells of heart cockles let in light for the photosynthetic algae inside them – and they could show us how to make better fibre-optic cables ...
But as it turns out, one group of marine mollusks was way ahead of us. A new study reveals that clams called heart cockles have unique structures in their shells that act like fiber optic cables ...