By examining these chemical patterns in tooth enamel, we can determine whether animals primarily fed on trees and shrubs or ...

A set of Diplodocus teeth sampled by researcher Liam Norris. Credit: Liam Norris You are what you eat, it turns out -- even if your last meal was 150 million years ago. While the grub itself may be ...

Scientists in Ethiopia unearthed pieces of 2.65 million-year-old fossilized teeth belonging to two members of a newly discovered Homo species that could challenge previously accepted understandings of ...

Iron Age teeth from southern Italy have become time capsules, preserving intimate details of childhood and diet. Growth lines in the enamel reveal moments of early-life stress, while hardened plaque ...