Fellow Story

Bradman co-author of Nature paper on breast-feeding Neanderthals

Like all mammals, the Neanderthals breast-fed their babies. Scientists wanted to know: For how long?

Today in Nature, a team of researchers, including several from UC Berkeley, say they’ve answered that question by looking at the fossilized tooth of an eight-year old Neanderthal child, discovered in a Belgian cave.

Asa Bradman is an environmental health scientist at UC Berkeley and a co-author on the paper. He says teeth are like a time capsule.

“Because teeth grow in rings, kind of like trees do, you can actually date when a given layer of the tooth was put down.”

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