› added 10 years ago

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TIL race means a subgroup within a species, which is not scientifically applicable to humans because there exist no subspecies within modern humans

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rNl8d TIL the Greeks used a Hydraulic telegraph during the First Punic War to send messages between Sicily and Carthage.
E1x1W TIL a saguaro cactus once killed a man. When an Arizona man vandalized a 23ft saguaro with a shotgun, the cactus shed one of its arms and crushed him to death.
1KAO TIL that an assassination attempt was made against retired US President Theodore Roosevelt- he was saved by a 50 page speech in his breast pocket. Roosevelt then proceeded to deliver said speech with a bullet lodged in his ribs.
rbZ0 TIL that most toilets in Hong Kong are flushed with seawater in order to conserves the city’s scarce freshwater resources
Ooy9X TIL when economist Robert Lucas and wife Rita Lucas split up in 1989, one of the conditions of divorce was if he won a Nobel prize within 31 Oct 1995, half of the prize money would go to her. Robert Lucas won a Nobel with $1 million for his theory about 'rational expectations' on 10 Oct 1995.