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TIL: There's such thing as a "Janus Cat" that has two faces

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wpdo TIL The ‘golf ball effect’ that reduces drag on dimpled golf balls also works on a car. So putting dimples all over your car reduces drag and fuel consumption
dD8Z TIL The Soviet Union and USA made a plan to do a joint manned mission to Mars during the cold war. The Soviets supported it, but the idea was rejected by Reagan.
xV79o TIL whales earwax acts as a hearing aid. The wax has a similar density to water and allows sound to travel through the ear canal into the inner ear unimpeded—something that would be impossible if the ear was filled with air.
P15WZ TIL that the velociraptor was actually about the size of a turkey and weighed between 31 and 43 lbs (14 - 19.5kg).
ajEZ TIL of the Clay Belt, a large area suitable for farming in northern Ontario and Quebec. Although land is free for use and very fertile, settlement attempts repeatedly failed; one farmer gave up because “there are seven months of snow, two months rain, and all the rest is black flies and mosquitoes”.