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391

TIL It costs $100 to send Mark Zuckerberg a Facebook message

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WkWl8 TIL Despite being land locked countries, a Czech-Austrian inventor was the first to use a screw type propeller to power a ship. His ship, Civetta of 48 gross register tons, reached a speed of about 6 knots (11 km/h). This was the first ship successfully driven by an Archimedes screw-type propeller.
epx44 TIL elephant trunks are strong enough to lift and hold 770lbs yet precise enough to crack peanut shells without breaking the seeds
e0KP6 TIL an article in 1968 revealed widespread marijuana use among US soldiers in Vietnam. As a result of the media uproar stateside and subsequent crackdown by the army, soldiers shifted to heroin, which was odorless and harder to detect. By 1973, up to 20% of the soldiers were habitual heroin users.
KOy9J TIL during the Operations Crossroads Nuclear Test, much of the ships surrounding the blasts were populated with test animals, many died, except for Pig #311, which was found swimming in the lagoon after the blast, and went on to live at the National Zoo in D.C.
70pP TIL in 1959, a segregationist school board shuttered its district rather than allow black students; whites took school vouchers and attended a local private academy (which did not integrate until 1986)