The evolution of cooperation isn’t so puzzling

There’s a bit of a vibe in evolutionary anthropology/biology/theory that the evolution of cooperation is puzzling. A recent book — The Moral Brain — says “cooperation between unrelated individuals poses a puzzle from both the perspective of natural selection and that of rational self-interest”. Still there are loads (and I mean *loads*) of theoretical models showing a variety of ways for cooperation to evolve. In a moment of heightened procrastination, I decided to delve into the literature and find out just how puzzling scientists find cooperation (warning: this is not even remotely a scholarly piece of work).
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A tool to visualise the scientific literature

I spent an enjoyable couple of days last week in the beautiful Wellcome Trust taking part in a data/text mining workshop run by The Content Mine.

The idea behind their project is to develop tools that help scientists and other interested sorts pull data from published articles, potentially on a large scale. If you want to learn more, all their presentations are online, as are the materials from the Wellcome workshop.

The second day was a hackday. For this, my team wanted to build on the ContentMine tools to create something that helps you explore the scientific literature and find connections between papers you might not otherwise have found. We thought it would work something like this:
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