› added 4 months ago

39

TIL that military dolphins tag enemy divers with a marker so security can track them. They're trained to sneak up, attach a tracking device, and swim away. Basically playing a terrifying version of underwater "tag you're it".

Read more military.com

via reddit.com

Ypnwd TIL: Giant sloths with wolverine-like claws used to roam America, and humans hunted them to extinction
8eQR8 TIL The Bingham Canyon Mine in Utah is almost 4000 feet deep (that's 3X as tall as the Empire State Building). It's the largest man-made excavation and the deepest open-pit mine in the world. It's also visible to the naked eye from space.
MEdW TIL after the producers of the 1994 ACM Awards told Alan Jackson he would have to sing over a backing track instead of live instrumentation, he had his drummer “play” without sticks in an act of protest (video included).
g5E9 TIL George Lucas and Steven Spielberg were both executive producers on The Land Before Time
4nJ5 TIL that beer brewing was officially introduced into the early Australian colony in a bid to reduce the level of drunkeness (mainly from rum)