Have you ever watched your kid meltdown because you didn't give them the blue cup? For our tiny people, not getting the blue cup really can feel like the end of the world. Learning to gauge the size ...
One idle evening last October, Mehtaab Sawhney took up an old pastime. He began perusing the website erdosproblems.com, an updated record of the 1,179 conjectures left behind by the eccentric and ...
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