St. Jerome’s lions, Pólya urns, and the evolution of biodiversity

Warning: long, rather strange post; but stick around; there’s art. If you’ve been reading Scientist Sees Squirrel for a while, you’ll know that I enjoy finding interesting connections between seemingly unrelated things. I may have jumped the shark, because today I want to tell you about how I connected my research on the evolution of...

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Shopping cart returns and a philosophy of collaboration

I used to be extremely diligent about returning shopping carts to cart-return corrals. But recently, at the supermarket where I usually shop, I’ve found myself being sloppier, and I’m having trouble being bothered by that. Why? A few months ago, the supermarket started installing fences and plexiglass barriers everywhere, tightly controlling entry and exit, and...

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