› added 7 years ago

548

TIL Cats will make a unique chirping sound when they get frustrated about prey they can see but cannot catch.

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Lkr0v TIL that the largest castle in the world is Malbork Castle, built by the Teutonic Order of knights. It was completed in 1406 and at the time was the largest brick castle in the world.
v7XL TIL the parents of Donald Duck are Quackmore Duck and Hortense McDuck, Hortense being the sister of Scrooge McDuck and grandmother of Huey, Dewey, and Louie Duck.
ANRwo TIL: A declassified CIA project 'OXYGAS' had trained dolphins to place explosives on enemy ships
ovRo TIL Cat’s kidneys are so efficient they can rehydrate by drinking seawater.
kXx4 TIL there is only one disco ball manufacturer in the entire United States. And it’s in Kentucky. And it’s owned by Yolanda.