Many spine-bearing creatures, or vertebrates, have a curious bit of tissue deep in their brains called the pineal gland. It ...
Researchers detail how the protruding eyes and mouths on simulated stingrays affect a range of forces involved in propulsion, such as pressure and vorticity. They created a computer model of a ...
Aug. 31 (UPI) --Stingrays are able to glide so effortlessly through the water thanks in part to their protruding eyes and mouth. Sea rays, including stingrays and skates, are noted for their ...
A three-eyed animal with wing-like fins once swam through shallow seas, using heightened visual perception to hunt smaller sea animals. S. hirpex was roughly the size of a human hand and had two ...
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