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Visualising extinctions over the past million 531 years.  The size of the circle shows how the biodiversity of the earth differs from the long-term trend.  The resulting fluctuations seem to repeat every 62 million years or so, with 5 main extinction events in total.  The most recent was of course the end of the dinosaurs, 65 million years ago.  Does this mean the Earth is due another?! [This follows the analysis of an interesting nature article]  [more] [code]

Visualising extinctions over the past million 531 years.  The size of the circle shows how the biodiversity of the earth differs from the long-term trend.  The resulting fluctuations seem to repeat every 62 million years or so, with 5 main extinction events in total.  The most recent was of course the end of the dinosaurs, 65 million years ago.  Does this mean the Earth is due another?! [This follows the analysis of an interesting nature article]  [more] [code]

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Matt Henderson

I post original stuff about maths, space, computational linguistics and other things that I like. This blog is meant to be accessible and interesting to people of all backgrounds. My undergrad was maths in Cambridge, and I'm now starting research in Speech and Language technology. Email me at If you're new, check out this overview of my posts. All code posted is in Mathematica.

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