Alejandro Guijarro Photographs The Chalkboards Of Some Of The Brightest Minds In Quantum Physics For

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This is a video of an Oksapmin woman demonstrating the Oksapmin base-27 counting system. The Oksapmin people of New Guinea use body part counting as a base for their numeral system (which may sound wild and exotic, but is really just a more detailed version of what we do, most anthropologists think base-10 number systems come from humans’ having 10 fingers) starting with the thumb, going up the arm and head to the nose (the 14th number) and going down the other side of the body to the pinky finger of the other hand (the 27th number). It does not matter which side you start counting on, so counting from right-to-left or left-to-right makes no difference. 

And if that’s not the coolest thing you’ve ever heard, I don’t know what to tell ya

June’s rainy days

Don’t know how people deal with rough days when they can’t be surrounded by all their favourite things. It’s the only thing that’s getting me through.

No. 442

A new geometric design every day

Jupiter taken by Juno Space Probe

Gina Rippon: How Neurononsense Keeps Women in Their Place

Pen ink on a leaf 🍃 zooming through a puddle

The ink-mixed water behind the leaf has a lower surface tension than the water in front of it. While this gradient tries to equalize (Marangoni effect), the different adhesive forces around the leaf pull it along. (Source)