› added 4 years ago

69

TIL after the Boston Tea Party, many Americans switched to drinking coffee during the Revolutionary War because drinking tea had become unpatriotic.

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6EZpZ TIL that the digestive system is an "open" system because the mouth and the anus open to the outside of the body. Food technically is passing through us on the outside...
DRNr TIL that the average life expectancy for those with Down syndrome has gone from 12 years in 1912, to 25 years in the 1980’s, to upwards of 60 years in the developed world today.
b6YlZ TIL about the Shahnameh (The Book of Kings) an epic poem of 50k couplets considered to be the touchstone of Persian (Iranian) culture.
8evNV TIL star systems are much closer together near the center of the galaxy, with some being only 0.4–0.04 light-years apart
n6LY TIL That polar bears have a bone inside their penis to keep an erection going, and that pollution is causing the bones to weaken to the point where the bones are breaking.