› added 7 months ago

22

TIL during the 18th century, you could pay your admission ticket to the zoo in London by bringing a cat or a dog to feed the lions.

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4Pw TIL due to the long exposure limitations of Victorian photography, the mothers of children getting a portrait done would be camouflaged into the scenery.
Lkmdr TIL, the first TV commercial was 10 second ad for Bulova Watch Company on July 1st, 1941.
b9oN0 TIL Ian McKellen rejected an offer to play Dumbledore after Richard Harris died because Harris disapproved of his acting, and McKellen had already played "the real wizard"
Xe4R TIL there is a snail with iron armor.
9wVrB TIL that higher doses of highly radioactive iodine-131 are safer than moderate doses, since at high doses the element kills human cells outright, while at lower doses it causes mutations instead, thus causing thyroid cancer