Enormous Integers
Sometimes math problems have unexpected answers. For example, consider the integral of this infinite product: The answer matches up to its 43rd digit. But it’s not actually Weird, huh? But it’s not a coincidence; there’s an explanation. Here’s a puzzle due to the logician Harvey Friedman. It too has an unexpected answer. Say you have a finite alphabet to write with. How long can a word be if no bl
Lynn Margulis, 1938-2011
She is most famous for her theory of endosymbiosis, which says that eukaryotic cells—the complicated cells of protozoa, animals, plants, and fungi—were formed in a series of stages where one organism swallowed another but, instead of digesting it, took it on as a symbiotic partner! As a young faculty member at Boston University, she wrote a paper on this theory. It was rejected by about fifteen sc
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Metallic Hydrogen
Ice
I, Robot
The Faculty of 1000
