› added 2 months ago

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TIL the biggest espionage leak in US Navy history involved a spy ring of four people: leader John A. Walker, his son, his brother, & a friend. The US Navy wasn't even aware of Walker's network, which existed from 1967-1985, until his ex-wife revealed it to them after their daughter convinced her to.

Read more usni.org

via reddit.com

Z89ZD TIL the pinching force of "29 coconut crabs collected from the northern part of Okinawa Island" in Japan "ranged from 29.4 to 1765.2 N." "During our field study," write the researchers, "obtaining data for analysis was challenging, as the large claws of this crab pinched us on multiple occasions."
R5xZ8 TIL that lobsters can discard their limbs in a process called "reflex amputation": new limbs then grow to replace them.
wby1 TIL the difference between rabbits and hares: Rabbits are born blind, hairless and dig burrows to live and hide. Hares are born with open eyes, fur, and escape predators running away from them.
v18Ax TIL in the movie Full Metal Jacket, the actor that played Gunnery Sergeant Hartman (R. Lee Ermey) came up with 150 pages of insults on his own. Also the actor that originally was playing the role couldn't yell more than 30 minutes, but when Ermey stepped in and took over, his energy never let up.
VBA1D TIL in 2013, Italian surgeons split new residents into two laparoscopic surgery training groups. They found that the group that was ordered to play the Nintendo Wii for 1 hour a day/5days a week performed better on test surgeries than their non-gaming counterparts.