› added 6 years ago

448

TIL that gay men cannot donate blood unless abstinent sexually for 12 months.

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v5aB TIL of several unusual units of measurement, including the nanocentury (3.155 seconds), pony (0.75 ounces of liquor), light-foot (amount of time it takes light to travel one foot, or 1.0167 nanoseconds), banana equivalent dose (amount of radiation absorbed from eating a banana), and more.
veNL TIL that 3 years after illegally joining the Marines at the age of 14, Jacklyn Lucas snuck onto a ship bound for Iwo Jima, stormed the beach without a rifle, and threw himself on top of two grenades to protect his team. He survived, and earned the Medal of Honor at the age of 17.
lVWK TIL that Hippos mark their territory by defecation. While depositing the faeces, hippos spin their tails to distribute their excrement over a greater area.
v1O4 TIL A man in China used 50 years to hand-carve 6000 steps into the mountainside so that his wife could have an easier walk.
E1AjX TIL about the Brooklyn Theater Fire in which none of the staff or actors yelled "Fire" because they were afraid of causing a panic and 278 people died.