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149

TIL that the true color of the sky is violet. Earth's atmosphere scatters shorter wavelengths, like blue and violet. However, our eyes are more sensitive to blue and less to violet, so we see the sky as blue.

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kObmd TIL about Koro , a delusional disorder in which an individual has an overpowering belief that one's sex organs are retracting and will disappear, despite the lack of any true longstanding changes to the genitals.
wL4pY TIL that Sea Stars started pulling their limbs off and dying in 2014 due to a virus infection
X058D TIL First grown in Africa about 5,000 years ago, yellow watermelons went through generations of selective cross-breeding for texture, color and sweetness before any pink variety ever appeared. As the lycopene content of hybrid varieties increased over time, the fruit naturally became redder and redd
1YVX TIL the Common Kestral used to be called a “Windfucker”
7LrM TIL that when the inventor of Frisbee golf died, he had his ashes mixed into a new limited-edition frisbee line.