› added 6 months ago

28

TIL that octopuses have three hearts. Two of these hearts pump blood to the gills, while the third pumps it to the rest of the body. When an octopus swims, the heart that delivers blood to the body actually stops beating, which explains why they prefer crawling to swimming—it’s less tiring for them!

Read more nhm.ac.uk

via reddit.com

nRpb TIL when North Korean leader Kim Jong-il was parodied in the film Team America: World Police (2004), the Democratic People’s Republic of Korea asked the Czech Republic to ban the film.
nepmr TIL that Taiwan's navy operates a submarine still operational since 1945, making it the longest-serving submarine in the world.
6xDl TIL The band formerly known as Dale Earnhardt Jr. Jr. had to change its name because NASCAR fans kept showing up to their shows.
QJMoE TIL that in 1975 a cat was credited as a co-author of a physics paper, after Jack Hetherington accidentally used articles such as "we" and "our" in a study on atomic behavior. Unwilling to change the errors, he simply added his cat as a co-author, under the name "F.D.C. Willard"
x6a5w TIL the height measurements at convenience stores and fast food restaurants aren't just for fun... If they ever get robbed, they help determine the height of the suspect.