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TIL a third of the human population sneezes when they look at the sun

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1akW4 TIL: The first person to build a programmable humanoid robot was the Arab Muslim scholar Abu Alîzz Al-Jazari in 1206 AD
JYgv4 TIL Australian physician Barry Marshall was awarded a Nobel prize for infecting himself with bacterium Helicobacter pylori to show that it caused stomach ulcers, after he was ridiculed and declined funding for his hypothesis that bacteria could survive in acidic conditions
PNJZ TIL 77% of low income Americans reported they would rather have more consistent income than make more money
4doa TIL that a study found that cats are more than capable of recognizing their owner’s voice but choose to ignore it.
RA48 TIL that, in 1955, Pennsylvania set a goal of having a state park within 25 miles of every citizen.