Scientific American Magazine

Nutrition influencers claim we should eat meat-heavy diets like our ancestors did. But our ancestors didn’t actually eat that way

“Heavy and healthy” can be a rare or common condition. But either way it may signal that some excess weight is just fine

Blockbuster weight-loss drugs are revealing how appetite, pleasure and addiction work in the brain

As the climate warms, mangroves are migrating farther poleward, transforming the coast as they go

Outcomes in quantum mechanics depend on observations. But must the observer be human?

Better predictions of how cracks grow can make machines and structures more reliable

An emerging science of advanced meditation could transform mental health and our understanding of consciousness

Scientists have scarcely begun studying pristine material from asteroid Bennu that was brought back to Earth by the OSIRIS-REx mission, but they have already found several surprises