Teeth

The method relies on a unique dental structure, past imaging, and existing dental records. It enables an initial determination within a short time, even under harsh conditions.

Do you brush your teeth after coffee? Scrub hard and rinse your mouth with water after brushing? An oral rehabilitation specialist explains where your mistakes are and how to do it correctly.

Teeth from 13 Grande Armée soldiers in a Vilnius grave give first genetic proof that infections, with famine and cold, helped cause the loss of 300,000 men during Napoleon’s retreat from Russia.

Scientists used the European Synchrotron Radiation Facility to X-ray the tiny fossil and reveal high-resolution details.

"People often focus on the tools themselves but forget that the real innovation was that people brought raw materials from one place to another," said archeologist Rick Potts.

"This discovery confirms the hypothesis that behavioral adaptations, such as the deliberate choice to eat new foods, can precede morphological changes, playing a key role in evolution."

Wet cooking and pit steaming allowed for high extraction rates without damaging the teeth, also cooking the meat to make it edible.