› added 9 months ago

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TIL that Nguyen is the last name of 40% of all Vietnamese.

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BrYnK TIL about Cambridge Analytica targeting people with traits of narcissism, Machiavellianism and psychopathy introducing narratives into Facebook groups, ads, articles to inflame segments of people
l79kV TIL in 1054, Chinese records reported a “new star bright enough to be seen in the daytime”. They were actually witnessing the supernova explosion that created the Crab Nebula 6,500 light-years away.
dDwAd TIL Even during cloudless days with clear air, you can see a bright ring around the Sun caused by the scattering of sunlight in the atmosphere. A coronagraph and visual skyphotometer can study the intensity of solar aureole
Y70Nd TIL the rotational axis of the Moon lies within Shackleton Crater.
X7Oj TIL in 1988 Cosmopolitan claimed that unprotected sex with an HIV-positive man did not put women at risk of infection and that it was impossible to transmit HIV in the missionary position.