What innovation—technological or otherwise—would make any city a substantially more livable place? We put this question to urban leaders and our own readers. Here's what they said...
How rosy thoughts can lead to negative outcomes
Psychologist James Pennebaker reveals the hidden meaning of pronouns
Scientists take peer review public
Your intelligence affects your life span in several surprising ways
A supervisor's feedback may affect identity more in certain cultures
Small children can have big ideas
The science of everyday beauty reveals what people really like--and why
Reenergizing science and math education in the U.S. has to begin with the teachers
Is math invented or discovered? A leading astrophysicist suggests that the answer to the millennia-old question is both
Monkeys may be able to devise gestures to communicate specific ideas
In a new book, neuroscientist and author Mark Changizi explores how language and music separate us from our primate ancestors
Books and recommendation from Scientific American
Movies and TV shows can encourage risky behavior in children and teenagers, but teen idols have positive effects, too
Using optical and genetic techniques, neuroscientists have identified an "on/off" switch for aggression in the brain
