› added 11 years ago

90

TIL that during World War 2, penicillin was scarce, so it was common to collect urine from patients to recycle the penicillin.

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via reddit.com

lo7VB TIL Iceland has one of the largest gun ownership rates in the world, and yet has one of the lowest crime rates in the world.
5Ngp TIL Switzerland is prepared to blow up its roads, bridges, and tunnels and trigger blockading mountain slides and tree-falls if an invasion were to ever happen.
5XNP TIL that comedian Patton Oswalt sent out a series of tweets on August 17 that came off as very offensive when read individually, but were totally fine when read together (picture in comments).
ZoYG TIL starting in 2017 San Francisco will require new buildings to have solar panels
VM5OG TIL Einstein’s theory of special relativity explains why a star can burn for billions of years without running out of fuel. If you can measure potential energy by multiplying mass by the speed of light squared, that means an average adult stores 30 large hydrogen bomb explosions worth of energy.