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TIL that F.D.R was directly responsible for founding The March of Dimes, which prompted the U.S. Government to place his image on the dime in 1946. The charity was started by friend of Roosevelt, Basil O'Conner to raise money for the Foundation for Infantile Paralysis.

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NX8Ke TIL the reason many naval mines have spikes on them is because each spike contains a glass vial of battery acid. When shattered, the battery acid then energizes a lead-acid battery (which doesn't have acid inside), which then powers the detonator.
9YQKG TIL Developers of Spyro 3 delayed piracy by two months by hiding confusing code that would break the game in ways like randomly changing the language or removing collectibles if a crack was detected. The cracking group that finally succeeded thanked them for the unique challenge.
1a6AP Because Brussels sprouts are bitter, and kids generally don’t like bitter tastes. It’s not their fault. Researchers say that an aversion to bitter and sour (generally a heightened gag reflex) is a survival instinct since most toxins taste that way too. On the other hand, sweetness typically indicates that something is safe to eat, so children are born with a preference for sweets.
wopVY TIL There is a tradition in the US submarine fleet where the cribbage board of Richard O’Kane, one of the most famous US submarine commanders of WWII, is handed down to each oldest fast-attack submarine in the Pacific Fleet.
0wKVN TIL one of the earliest depictions of a person wearing sunglasses is of a scientist in 1772. Yellow/amber-tinted spectacles were also a commonly prescribed item for people with syphilis in the 19th & early 20th centuries because sensitivity to light was one of the symptoms of the disease.