› added 5 months ago

25

TIL The first standardized rain gauge was invented in 1441 by Korean King Sejong's son, Prince Munjong.

Read more wikipedia.org

via reddit.com

XEapX TIL some women have superhuman vision, seeing 100 million colors due to the genetic mutation: tetrachromacy. The rest of us see 1% or less of that. They see 100x variations in color that appear the same to everyone else. A path of dull grey stones may look like a glittering jewellery box to them
9RX6 TIL a water sommelier is a profession you can pursue once certified by the German Mineral Water Trade Company. Martin Riese is the only certified water sommelier in the US, but Europe has several.
m9wR TIL that, since Romans used daylight and darkness to determine time, an hour was 45 minutes in the winter and 75 in the summer
DAg TIL that Jesse Owens said “Hitler didn’t snub me–it was FDR who snubbed me. The president didn’t even send me a telegram,” and that Owens was cheered enthusiastically by 110,000 people in Berlin, but couldn’t even stay in the same hotels as whites in America.
VxE4 TIL McDonald’s is a real estate giant and owns all of its property, valued at an estimated $18 billion. This unique business model provides 1/5 of the company’s total revenue, which comes from rental payments from franchisees.