› added 7 years ago

91

TIL Like smallpox, Polio is on its way out with 22 cases worldwide in 2017

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4XogJ TIL that when somebody overestimates their knowledge and abilities in an area because they don't even know how little they know, it is called Dunning-Kruger effect
JYWBm TIL that Danny Boyle relied mostly on the honesty of his volunteer cast to "save the surprise" of the London 2012 opening ceremony
ZpARQ TIL 50-80% of the population has herpes
W7gb9 TIL In 2018, a Killer whale named Tahlequah, known to researchers as J35, grieved over her dead calf by carrying it across the ocean for 17 days and over 1,000 miles, refusing to let it sink.
J1Y0v TIL that of the 48 million Americans with hearing loss, only 1% or 500,000 use sign language