Heavy Metal Thunderers

In Xanadu did Kublai Khan/An environmental mess decree. Or he may as well have. A Pitt graduate student’s research finds that ancient Mongolian metallurgists were extreme polluters.

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Hormonal Disruption

Exposure to phthalates—chemicals found in many plastics, foods, and personal-care products—early in pregnancy may disrupt a key hormone and harm masculinization of baby boys’ genitals.

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