For millennia humans have relied on one another to recall the minutiae of our daily goings-on. Now we rely on “the cloud”—and it is changing how we perceive and remember the world around us
Why do people spend so much time talking about themselves?
In the seconds after the explosions came an answer to an ancient question: Are we by nature good, or bad?
How temperature shapes difficult decisions
Recent studies find our first impulses are selfless
Researchers asked women and men "friends" what they really think—and got very different answers
Researchers find clues to depression in what people do online
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