Fossilized human teeth spanning two million years of evolution were studied for lead content, which was surprisingly high. To see the effect of lead on the human brain then and now, researchers ...

Long before humans built cities or wrote words, our ancestors may have faced a hidden threat that shaped who we became. Scientists studying ancient teeth found that early humans, great apes, and even ...

Superwarfarins represent a class of long‐acting anticoagulant rodenticides that exert their effect through profound inhibition of vitamin K recycling, primarily by targeting vitamin K epoxide ...