Fossils unearthed in Ethiopia are reshaping our view of human evolution. Instead of a straight march from ape-like ancestors to modern humans, researchers now see a tangled, branching tree with ...

“Is my penis too small?” That’s a question that people aren’t likely to ask their friends or sex partners. But behind the closed doors of a doctor’s examining room, it’s a common question. It’s quite ...

Microdosing is when you take a very small amount of a drug, often — but not always — psychedelics. For psychedelic drugs, it’s a fraction of the dose needed to feel the effects or get “high.” ...