› added 10 months ago

47

TIL that Rainbows are affected by polarization.

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MenQV TIL A Wankel Engine doesn't use pistons, but instead a rounded triangle that would spin in a combustion chamber. The last production car to use one came out in 2003, including a model that could use both hydrogen and gasoline in the same engine.
OoLNa TIL in the 1930s a DuPont chemist found that crystals of a substance called PTC (phenylthiocarbamide) tasted very bitter to some but were tasteless to others (about 75% taste bitterness). Researchers found three variants in a gene called TAS2R38. Two copies of this variant make you non-taster.
vPEmx TIL Peter Norman, the white athlete standing on the podium in 1968 while Tommie Smith and John Carlos gave the Black Power salute, was not selected to run in the 1972 Olympics for supporting his fellow athletes. He was not welcomed at the 2000 Olympics because he refused to renounce his actions.
YLmx TIL there was a crossover episode of Cops and the X-files called X-cops. Started off like a normal episode of Cops and then things got weird
B9ED TIL Stan Lee planned on quitting the comic book industry, until his wife Joan told him to write the type of characters he wanted to for his last project. The result was the Fantastic Four, which created a more humanly flawed type of superhero.