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TIL The bricks of the great wall of China were held together by a mortar made with of sticky rice flour and slaked lime for the Ming Dynasty section of the wall. It had more strength and water resistance than lime mortar.

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kOlZW TIL about the carnivorous spiral galaxy, known as NGC 4651. It is believed that this galaxy consumed another smaller galaxy to become the large and beautiful spiral that we observe today.
4VW6 TIL that a beaver’s lips are located behind its teeth so it can carry branches around without drowning
w5GW TIL: A 15 year old found a cheap and speedy way to detect pancreatic cancer. He was denied 199 times before someone gave him a chance.
LjDP TIL Saturn’s moon Titan has such a dense atmosphere(1.5Atm) and such a low gravity (0.138G) that if you strapped wings to your hands you could easily fly.
loBKA TIL: In Egypt 1503 BC, Hatshepsut became the second woman to rule and chose to take the title of king. She donned male clothing and wore a false beard.