Long Reads for the Weekend

Happy Pi day, friends. I’m probably not going to bake a pie this weekend, but I can still remember 31 digits from back in the day when I thought memorizing pi was cool.

Here are two articles worth a little piece of your weekend:

Also on my radar: Poison Spring: The Secret History of Pollution and the EPA 

And lastly, a follow up on last month’s arsenic post: An Unlikely Driver of Evolution: Arsenic In a new study in the journal Molecular Biology and Evolution, researchers report that over the years the AtacameƱos of Argentina became more resistant to arsenic, thanks to natural selection. It is the first documented case of natural selection in humans for a defense against an environmental poison.

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