Are you with me? New model explains origins of empathy

Researchers at the Max Planck Institute and the Santa Fe Institute have developed a new model to explain the evolutionary origins of empathy and other related phenomena, such as emotional contagion and contagious yawning. The model suggests that the origin of a broad range of empathetic responses lies in cognitive simulation.

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More than the sum: Working group scopes higher-order interactions

When only two things interact, the outcome is usually easily to predict. But what happens when you add a third — or fourth, or fifth, or more — component to the mix? The effects of such higher-order interactions can be difficult to forecast, and are the subject of a working group that meets this week at SFI.

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Could energy overload drive cancer risk?

New research by External Professor John Pepper offers an intriguing theory for how cancer evolves in people with obesity, diabetes, and chronic inflammation: By providing an over-abundance of energy to cells, these diseases might super-charge their growth and cause them to become cancerous.

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New definition returns meaning to information

Identifying meaningful information is a key challenge to disciplines from biology to artificial intelligence. In a new paper, SFI's Artemy Kolchinsky and David Wolpert propose a broadly applicable, fully formal definition for this kind of semantic information.

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