Medical research

Teeth serve as 'archive of life,' new research finds

Teeth constitute a permanent and faithful biological archive of the entirety of the individual's life, from tooth formation to death, a team of researchers has found. Its work provides new evidence of the impact that events, ...

Genetics

Scientists discover why teeth form in a single row

(PhysOrg.com) -- A system of opposing genetic forces determines why mammals develop a single row of teeth, while sharks sport several, according to a study published today in the journal Science. When completely understood, ...