Researchers investigate the science behind cooperation

(Phys.org)—For two decades, evolutionary scientists have been locked in a debate over the evolved functions of three distinctive human behaviors: the great readiness we show for cooperating with new people; the strong interest ...

Study: Generosity emerges from evolution of cooperation

(PhysOrg.com) -- Imagine you're dining at a restaurant in a city you're visiting for the first –– and, most likely the last –– time. Chances are slim to none that you'll ever see your server again, so ...

Looks do matter, particularly when it comes to neighborhoods

It's an unfamiliar neighborhood and you find yourself in the middle of a bunch of streets and buildings you've never seen before. Giving the environment a quick once-over, you make a snap decision about whether you're safe ...

Attractive men have long... ring fingers: study

The longer a man's fourth or ring finger is compared to his index finger, the more likely he is to be judged attractive by women, according to a study released Wednesday.

Ancient remains put teeth into Barker hypothesis

Ancient human teeth are telling secrets that may relate to modern-day health: Some stressful events that occurred early in development are linked to shorter life spans.

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