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TIL - the ancient Greek astronomer Eratosthenes of Cyrene, proved that the earth was round in 240 B.C. and also came up with latitude/longitude and was able to calculate the earth’s circumference within 2%.

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VMaO4 TIL while the Venus Flytrap is available all over the world through cultivation, it only grows naturally in a small area of the coastal plain in North and South Carolina.
wowYP TIL that Machu Picchu is earthquake resistant. The Incans created an engineering technique called ‘ashlar masonry’, where rocks are cut to fit perfectly together without mortar. This allowed the stones to move in its place during an earthquake, before settling back in their original positions
ADvMx TIL that facial hair in the military of many countries is prohibited, due mainly to safety concerns with the airtight seal while using a gas mask. There are numerous militaries around the world that have very strict policies regarding facial hair length, style and grooming.
R759 TIL in 1995 a man robbed a bank with lemon juice on his face. Since lemon juice makes for invisible ink he thought it would render his face invisible on camera.
Qeg9 TIL of Uber’s operation SLOG to undermine Lyft that included trying to recruit Lyft drivers and calling, then cancelling over 5000 rides on the Lyft app.