› added 10 years ago

100

TIL that the average IQ has been going up. If a typical person from 1910 time-transported to the present, they would have a mean IQ of 70, which is at the border of mental retardation.

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M701m TIL of Cassiopea xamachana. A species of upside-down jellyfish capable of spawning venom filled, homing torpedoes that swims independently from the animal and allows it to kill/stun prey from a distance.
M7G70 TIL the people who wrote The Oregon Trail changed "Indians" to "riders" and changed "tomahawked" to "knifed" in order to be more culturally sensitive.
0drP1 [TIL] The “Palm Hold Fist” Salute dates back more than 3,000 Years. Does it have a name?
KO664 TIL: Vince Li, the man who beheaded and cannibalized a passenger on a Greyhound bus, was released and is not considered a significant safety threat
kJZ8B TIL that since 1929 the ICRC has recognized only the Red Crescent as official alternatives to the Red Cross, rejecting any other symbols. The ICRC only recognized the Jewish Magen David Adom in 2006, on the condition that they use a neutral "Red Crystal" symbol instead of the Red Star Of David