› added 7 years ago

92

TIL Hyenas are phylogenetically closer to cats than to dogs

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9YowQ TIL that an optical illusion caused due to super light refraction may have prevented the Titanic from spotting the iceberg in time and also the closest freighter SS Californian from identifying the ocean liner when it was sinking
OoEL4 TIL that we can sleep with our eyes open - Weird but true.
R7xja TIL from 1939 to 1972, the United States Public Health Service conducted a number of tests regarding the impact of untreated syphilis in unknowing subjects. The revelation of this led to the passing of the National Research Act, requiring informed consent from human participants in medical studies.
mxo8R TIL Also known as Black Death, Henry Johnson was an African American hero. Despite being stabbed, shot, and hit with grenade shrapnel totaling 21 severe injuries, he managed to kill/injure 24 German soldiers and rescued a member of his unit.
Oo1na TIL in the 16th and 17th centuries, English people literally bought their military ranks. In 2020 USD, 130k or so for cavalry, up to 1.6 million for lt. colonel