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Early Americans ate tons of mammoth, 13,000-year-old bones from Clovis culture baby reveal
Radioisotopes in the bones of an 18-month-old boy who lived almost 13,000 years ago indicate that his mother ate mostly ...
Research shows more than 150 million mental diagnoses may be linked to lead in gasoline
A history of lead in gasoline may be behind tens of millions of mental health conditions in the United States, according to ...