User:JeffBobFrank

Interesting articles

Cargo Cult, freemartin, Feral children (and linked pages), language acquisition, Tecumseh's curse, William Burke and William Hare, Kaspar Hauser, archerfish, Trophallaxis, Coprophagia, Discordianism, Larry Flynt(particularly legal battles), Saint Christopher, Genetic sexual attraction, Vampire lifestyle, Penis removal

Formulae

$\cos {\frac {\pi }{17}}={\sqrt {\frac {15+{\sqrt {17}}+{\sqrt {34-2{\sqrt {17}}}}+2{\sqrt {17+3{\sqrt {17}}-{\sqrt {34-2{\sqrt {17}}}}-2{\sqrt {34+2{\sqrt {17}}}}}}}{32}}}$