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LSD: My Problem Child
Albert Hofmann, Jonathan Ott and Amanda Feilding
Book
Albert Hofmann, who died in 2008 aged 102, first synthesized lysergic acid diethylamide (LSD) in...
The Problem of Catalan
Yuri F. Bilu, Yann Bugeaud and Maurice Mignotte
Book
In 1842 the Belgian mathematician Eugene Charles Catalan asked whether 8 and 9 are the only...