If an experiment is repeated under similar conditions, the results should be the same. In reality, the situation is often different—scientists speak of a "reproducibility crisis," which affects ...

Ask most conservationists to talk about their impact, and you’ll hear stories of forests protected, of species saved, or of new technologies making a difference. But if you take a step back from those ...

People with health anxiety tend to get tangled up in problematic behaviors, such as reassurance-seeking, excessive body checking and avoidance. These behaviors act like a vortex, sucking you into that ...

This bold social experiment forces people to confront a question they’re never prepared for: would they let a stranger live with them? The reactions reflect micro-expressions, trust cues, and ...

Netflix continues to grow from strength to strength, commanding 270 million subscribers who watched 183 billion hours of content last year. A Culture of Testing Netflix executives “…believe there’s a ...

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. Hello and happy new year! I love the first few days of a new year. It evokes a feeling ...