› added 6 years ago

212

TIL that giant sloths excavated hundreds of miles of tunnels in South America that still exist to this day

Read more blogs.discovermagazine.com

via reddit.com

b94k7 TIL pirates wore an eye patche so when they went below deck they could switch the patch to the other eye to see in the dark right away without waiting for their eyes to adjust.
neeD9 TIL that infants as young as 9 months old have been shown to be able to understand that other people need help, even before they are capable of helping them themselves.
ADrZn TIL about the Blue Glaucus, or Blue Sea Dragon, a shell less gastropod that swims through the ocean upside down, preys on Portuguese Man O Wars and keeps their nemocytes so it can sting in self defense.
JYvJ4 TIL that Hershey's designed a customized chocolate bar for the troops during WW2 called "D ration bar". It was so thick that soldiers had to shave slices off with a knife before chewing on it. By the end of the war, more than 3 billion ration bars had been produced.
yQlVv TIL J. Edgar Hoover recommended that Einstein be kept out of America by the Alien Exclusion Act, but he was overruled by the U.S. State Department. FBI spied on Einstein for 22 years and kept a dossier with 1400+ Pages on him.