Santa Fe Institute

A friend of a friend is... a dense network

It's a familiar request in the digital age: one of your friends on social media has a friend who wants to be your friend. Frequent linking among friends of friends can cause a rapid increase in social network connectivity.

dateDec 01, 2016 in General Physics
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How hunter-gatherers preserved their food sources

A new study of humans on Sanak Island, Alaska and their historical relationships with local species suggests that despite being super-generalist predators, the food gathering behaviors of the local Aleut people were stabilizing ...

dateFeb 17, 2016 in Ecology
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