A common problem online is people not completing the checkout process — whether that’s buying a product or finishing a donation form. To help donors, or shoppers, complete the transaction, ...

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 ...

Researchers used the April 2024 solar eclipse to study its effect on songbird behavior. A smartphone app allowed over 1,000 citizen scientists to record bird observations across North America. The ...

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 ...

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 ...

A meadow grasshopper (Pseudochorthippus parallelus). This species is widespread across most of Europe and is commonly used as a model organism in evolutionary biology. If an experiment is repeated ...