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todayilearned

Jun 30, 2019

TIL Research shows that taller people are happier but shorter people live longer

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todayilearned

Jun 15, 2019

TIL that the success rate for CPR is nowhere near as high as it is portrayed on TV. In some cities it can be as low as 5%.

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todayilearned

May 07, 2019

TIL about tetrachromats. Tetrachromats have 4 vision cones as opposed to the average 3. This allows them to see ~99 million more shades than the average person. It is thought to be impossible for men to have this gene because they only have a single X chromosome, whereas women have two.

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