› added 11 years ago

187

TIL that there are some females who have one extra type of cone (4 instead of 3) and can therefore see 100x the amount of colors regular people can. [tetrachromacy]

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9pVX TIL telephone Area Codes in North America were assigned based on the length of time a rotary dial phone took to dial the area code, so larger cities have lower numbers.
XJwE TIL of the existence of the short-lived Florida-based nation State of Muskogee, which was founded in 1799 in an attempt to resist the expansion of the United States with the assistance of southeastern native tribes
oBQN8 TIL the first meeting in history between Japanese emperor Hirohito and US president Richard Nixon was not planned at the outset, because initially the stop in the United States was only for refueling to visit Europe. However, the meeting was decided in a hurry at the request of the United States.
Mejma TIL that our heads are older than our feet.
Yl8x TIL Mae Jemison, the first female African-American astronaut, was inspired to apply to NASA by the Star Trek character, Lieutenant Uhura. Jemison later went on to make a cameo appearance in Star Trek: The Next Generation.