› added 1 month ago

3

TIL that military submarines are typically designed to operate in depths about 3 to 4 times their length

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W7Qp9 TIL that many iconic artefacts previously discovered at Titanic's wreck site, such as the ship's crow's nest, mast, promenade deck and Captain Smith's bathtub, have already disintegrated or disappeared entirely; documentary film-making and dive tourism have been blamed as expediting the decay.
0lrN TIL of the “Corned Beef Controversy” When Astronaut John Young Smuggled a Corned Beef Sandwich Aboard the First Manned Gemini Space Flight
JWM8 TIL the oldest known advertisement dates from around 3000BC and was found in the ruins of Thebes. It was an ad for a slave named Shem.
p8mke TIL About 80,000 people are in solitary confinement in the U.S. every day. The average length of stay in solitary is 7.5 years. Solitary inmates are 5x more likely to commit suicide and 95% report new mental illnesses.
DQwng TIL for over 50 years a giant whale terrorised the waters around 6th century Constantinople, sinking ships and generally wreaking havoc.