› added 1 year ago

160

TIL, canines have a more sensitive CFF of up to 80Hz or 80 flickers per second. "This might explain why most dogs cannot be planted in front of the television to engage them, it doesn't look real."

Read more cnet.com

via reddit.com

mxjno TIL German u-boat U-507 almost single handily drew Brazil into WWII. Patrolling the south Atlantic in 1942, she torpedoed and sank multiple Brazilian passenger ships - between August 16-17, five ships were sunk, taking over 600 civilians with them. Brazil would declare war on Germany on August 22
gQL8 TIL that manhole covers are round so that they don’t fall into the opening
Y7arv TIL the US Life Expectancy has been in continual decline after 2019
gMLG7 TIL: in 2015, NYPD went on strike to show how important they were to the city and later studies showed the rates of crimes actually decreased
xVp40 TIL: Ernest Hemingway ended up being quarantined for most of the Summer with his wife and his mistress in 1926