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210

TIL that night vision goggles are green because the human eye can differentiate more shades of green than any other color.

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16Dnd TIL The Wisconsin River used to flow "backwards" into the Great Lakes basin instead of into the Mississippi River.
K45Q TIL the first taxidermy walrus was much larger and smoother than a live walrus, as the taxidermist had never seen one before and overstuffed it to get rid of the wrinkles.
4XWgb TIL that in 2017 it was revealed that UN peacekeepers operated a child sex ring in Haiti for over 10 years and no one went to jail
VM5eB TIL in 2001 an Australian man was successful in getting a patent for inventing the wheel
X00bj TIL peanut butter can glow in the dark. Due to its phenolic compounds, the protective agents found in plant-based foods, that absorb light in the ultra-violet spectrum and glow in the dark.