› added 3 years ago

112

Today I learned Prairie dogs kiss to recognise each other

Read more northamericannature.com

via reddit.com

844X TIL of the quietest room on earth. The Microsoft Audio Lab in Redmond, Washington can reach -20.6dB, a few dB more than the lowest point on earth at -23dB
ygPM TIL Queen Elizabeth does not hold a passport. Since all British passports are issued in the queen’s name, she herself doesn’t need one. She just has to say that she is the queen.
LdOp TIL that 100,000 years ago, at least three major rivers existed in Sahara
L1xP TIL The first woman to break the sound barrier was an american WWII veteran. Her own government denied her use of a plane, so she asked the Canadian military. They loaned her a plane plus 16 crew AND shipped them to California so she could break the record even though she wasn’t a citizen.
7rNnb TIL there's a good amount of evidence suggesting that ageing and likelihood of dying kind of plateaus at about 105 years of age - Late-life Mortality Deceleration.