According to the researchers, dark teeth alone are not enough to prove intentional cosmetic treatment. Teeth can turn brown or black from iron-rich soil after burial. Chewing betel nut—a long-standing ...

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 ...

MINNEAPOLIS — A University of Minnesota researcher helped discover an ancient tooth in a Laotian cave estimated to be between 164,000 and 131,000 years old, adding a new piece of evidence to one of ...

Archaeologists finally crack how ancient Vietnamese achieved a striking cosmetic look seen on 2,000‑year‑old remains.