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Exploring how community-based social norms evolve

Cooperation is a guiding principle of everyday life. It's as simple as following the rules of the road when driving or holding a door for a stranger; cooperation is a fundamental aspect of human societies and has long intrigued ...

Little evidence that host countries win more Olympic medals

Countries hosting the Olympic Games do not tend win more medals when socioeconomic factors are controlled for, reports a study published in Scientific Reports. The findings dispute the existence of the so-called "host effect"—where ...

What 'alien' languages can teach us about real ones

You can learn a lot about an animal by how it communicates. Birds tweet melodies to attract mates and defend their territory. Dogs befriend each other with wagging tails and smelly pheromones. Even plants communicate by diffusing ...

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