Chimps are sensitive to what is right and wrong

How a chimpanzee views a video of an infant chimp from another group being killed gives a sense of how human morality and social norms might have evolved. So says Claudia Rudolf von Rohr of the University of Zurich in Switzerland, ...

Laughter is an effective catalyst for new relationships

If you want someone to open up to you, just make them laugh. Sharing a few good giggles and chuckles makes people more willing to tell others something personal about themselves, without even necessarily being aware that ...

Strong institutions reduce in-group favoritism

Ineffective social and political institutions make people more likely to favour their family and own local social group, while good institutions make them more likely to follow impersonal rules that are fair to everyone, ...

Transgendered males seen as an asset to some ancestral societies

Transgendered androphilic males were accepted in traditional hunter-gatherer cultures because they were an extra set of hands to support their families. Conversely, by investing in and supporting their kin, these males ensured ...

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