Once used by vets to anesthetize elephants, carfentanil is now an extremely dangerous illicit drug often disguised as an oxycodone tablet—and it's 100 times stronger than fentanyl.

Much of our understanding of Earth's past is derived from stratigraphic records exposed in rock outcrops or recovered from drilled cores. These records span immense time intervals, from thousands to ...

Objectives To evaluate whether type 2 diabetes mellitus (T2DM) presence and severity are associated with differences in global and domain-specific cognitive function among US adults, using ...