A new study reveals that the sensitivity of teeth, which makes them zing in a dentist's chair or ache after biting into something cold, can be traced back to the exoskeletons of ancient, armored fish.

Betel nut chewing is more than just a simple habit. Throughout history, communities across Southeast Asia have used these nuts socially, spiritually, and medicinally. Wrapped in betel leaves and ...

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 have today has been around ...

New research shows that dentine, the inner layer of teeth that transmits sensory information to nerves inside the pulp, first evolved as sensory tissue in the armored exoskeletons of ancient fish.

Archaeologists have learned about the lives of the world’s earliest farmers, how they traveled, and socialized in Neolithic north Syria between about 11,600 and 7,500 years ago. Using advanced ...

Ancient rituals and customs often leave behind obvious archaeological evidence. From the impeccably preserved mummies of Egypt to psychoactive substance residue that remained at the bottom of a clay ...

Researchers have described proteins that they say are among the most ancient ever sequenced. Two teams, which analysed molecules from extinct relatives of rhinos and other large mammals, have pushed ...

Scientists have shed new light on the rhino family tree after recovering a protein sequence from a fossilised tooth from more than 20 million years ago. The recovered protein sequences allowed ...