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TIL of the Guano Islands Act of 1856; a US law that enabled citizens to claim unclaimed islands containing guano (bird excrement) in the name of the United States- due to its use as a fertilizer.

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ANJ4l TIL George Washington had no biological children, but historical accounts show he was a lovin father to his step-children: John and Martha.
GY9R4 Scientists accidentally create a mutant enzyme that eats plastic bottles
b9Y8j TIL that more than half of the oxygen we breathe come from marine photosynthesizers like seaweed and phytoplankton.
bAaj TIL that due to stress, boredom, loneliness and other reasons many exotic birds kept in captivity will pluck their own feathers out or self-mutilate
ADWQn TIL a 4-month-old Cinnamon bear provided much of the voice of Chewbacca. Other Chewbacca noises were voiced by three other bears, a badger, a lion, a seal, and a walrus from Long Beach.