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Teeth may be an important new resource for understanding the lives of our extinct relatives, said Daniel Green, a postdoctoral fellow at the Forsyth Institute, an affiliate of Harvard Dental School of Medicine.

Reading teeth

Study uses rings in teeth to understand the environment Neanderthals faced

Science|

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Two decades ago, Harvard Professor S. Allen Counter discovered that the South American Quechua Indians were exposed to astronomically high levels of lead and other toxic metals.

A hidden risk

Mothers can pass toxic metals to children through breast milk, study shows

Health|

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