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TIL that Cat Litter was invented by Ed Lowe in 1947

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x6A80 TIL that Cambodian King Jayavarman VII built 102 hospitals in order to serve the people of the Khmer Empire.
o4wA TIL We see the colors that we do because that is just about the only spectrum of light that passes through water, the area where eyes first evolved. There hasn’t been any evolutionary reason on land to see any broader spectrum.
4XPDX TIL about the navy of Mongolia, which sits on a lake with no strategic importance whatsoever, and consists of a single tugboat crewed by 7 people, only one of whom can swim.
vMDD TIL the pilot episode of LOST was so expensive (~$14 million) that the network president was fired for green-lighting it
5YPPp TIL The computer game Tron actually came out after the movie did. It even made more money in arcades than the movie did in theaters.