› added 5 months ago

30

TIL sled dogs poop while running on their front legs

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rB9W TIL that since 1912, many impractical ideas have been suggested to recover the wreckage of the RMS Titanic, including filling the wreck with ping-pong balls, injecting her with 180,000 tons of Vaseline, or using liquid nitrogen to turn her into a giant iceberg that would float back to the surface.
rXDe TIL that color-blindness in humans happens when a person has two visual processing cones instead of the usual three. There is a flipside, that there are people who have a condition known as Tetrachromacy, where someone has four cones, potentially allowing them to see more of the visible spectrum.
YpAlB TIL Japan has Pokemon manhole covers, including Magicarp in an area famous for carp varieties and Gyrados next to the largest lake in the country. All of them are Pokestops.
4XoGJ TIL that skunk spray can't be removed with tomato juice because they are both acids, rather you need combine baking soda, hydrogen peroxide and dish soap to create a base that nuetralizes and removes the smell.
5YLPB TIL Treadmills used to be torture devices. If you've ever been on a treadmill and thought, "This feels like torture," you're not far from the truth.