Left: Image of the everted proboscis of Glycera dibranchiata with its four jaws exposed, Right: Scanning electron microscope image of a Glycera jaw (Matter/Wonderly et al.) (CN) — The good news about ...

Bloodworms are known for their unusual fang-like jaws, which are made of protein, melanin, and concentrations of copper not found elsewhere in the animal kingdom. Scientists have observed how these ...

Scientists found an “armored” creature with “copper”-colored teeth in mountain rivers of Brazil and discovered a new species, a study said. Photo from Uzeda, Paiola, Cesar, Okubo, Marques-Frisoni, ...

Scientists found an “armored” creature with “copper colored” teeth in rivers of Brazil and discovered a new species, a study said. Photo from Uzeda, Paiola, Cesar, Okubo, Marques-Frisoni, Andrade and ...