John Baez

johncarlosbaez.wordpress.com

One of my dreams is finally coming true: ecological modeling with the help of category theory!

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Civilizational Collapse, Part 4

2019190 points198 comments Science & Space details

This is part 4 of an intermittent yet always enjoyable series: • Part 1: the rise of the ancient Puebloan civilization in the American Southwest from 10,000 BC to 750 AD. • Part 2: the rise and col…