Pacific spiny lumpsuckers are small, globular fish with extra-small fins which ... the same substance as the hard outer layer of human teeth. | Credit: Jordann Tomasek, Birch Aquarium at Scripps ...

the inner layer of teeth that transmits sensory information to nerves inside the pulp, first evolved as sensory tissue in the armoured exoskeletons of ancient fish. Paleontologists have long ...

Yara Haridy, an evolutionary biologist at the University of Chicago, likes to stun people by telling them that our skeletons evolved from a jawless fish ... fact that human teeth are sensitive.

She determined that the denticles were, in fact, connected to nerves like human teeth would be. Haridy said in the press release that the resemblance between armored fish’s denticles and the ...

Yara Haridy, an evolutionary biologist at the University of Chicago, likes to stun people by telling them that our skeletons evolved from a jawless fish. "Much of what we ... There's the fact that ...

tuberculata and its parasites. These snails now live in areas where people fish, increasing the chances of human exposure. The trematode life cycle moves through three hosts. It begins with the ...