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The Doomsday Seed Vault on Svalbard has over 21,500 cannabis seeds in it. That means that there are more seeds in there for weed than there are for aspargus, blueberry and raspberry, for example.

Written by Icelandic composer Jón Leifs in 1964, the piece called Hekla, Op 52, requires four sets of rocks hit with hammers, steel plates, anvils, sirens, cannons and metal chains to play.