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TIL that a teenage girl invented the genre of science fiction

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XE5jD TIL once every 10,000 years, a black hole in a galaxy reveals itself by ripping apart a passing star. These tidal disruption events have given astronomers a new way to map the hidden cosmos.
oBVVR TIL guard geese have been used in place of guard dogs because they have excellent eyesight, are "watchful and inquisitive", and have with strong territorial instincts.
yXOJ TIL Heineken developed squared beer bottles to be used as bricks. The plan was to eliminate waste on beaches and provide building materials to the Caribbean market.
e0E6n TIL Russia is so large that it shares a border with 14 countries and has 11 time zones.
e5rk TIL that during WWI, Harry Houdini threw himself into the war effort, selling war bonds and teaching American soldiers how to free themselves from German handcuffs.