xanax, a prescription drug used to help symptoms of anxiety and panic disorders. Now days, I think it is more abused than it is taken for panic disorders. It is taken as a pill or crushed and snorted and is often referred to as zannie bars..
In the 1920s, Oparin hypothesized the conditions of early Earth needed to create early life. The Oparin hypothesis basically says that early life on Earth formed through a series of reactions that made simple compounds gradually more complex.
also bio-genesis, 1870, theory that living organisms arise only from pre-existing living matter, coined by English biologist T.H. Huxley (1825-1895) from Greek bios life (see bio-) + genesis (q.v.). Related: Biogenetic; biogenetical.