mass spectrometry

Ancient Plaque Reveals Details About Our Ancestors’ Lives

There’s a surprising amount of information stored in the hardened plaque, or calculus, between...

Ancient Enamel Reveals Ancestors’ Role in Human Family Tree

Proteins embedded in 800,000-year-old dental enamel have revealed the position of Homo antecessor in...

Method Determines Biological Sex from A Single Tooth

Researchers at the University of California, Davis, have developed a technique that uses sensitive...

E-Cigarettes May Damage DNA in Oral Cells

Though touted as a safer alternative to traditional cigarettes, electronic cigarettes may modify the...