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TIL that 21st century humans grow taller, and reach sexual maturity earlier than ever before in recorded history

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ap9J TIL: That an estimated (more than) one million people in the world can see today because of initiatives instigated by Frederick “Fred” Cossom Hollows, AC (9 April 1929 – 10 February 1993), a New Zealand and Australian ophthalmologist
0DRv TIL that a holocaust denial group offered $50,000 to anyone who could prove that gas chambers were used to intentionally kill people at Auschwitz. They were forced by a judge to pay that money, and an additional $40,000, to Auschwitz survivor Mel Mermelstein who provided proof of that very fact.
8a4nG TIL that there's such a thing as a "media bias chart" that is helpful in determining reliability in news sources
nWxeW TIL the US Supreme Court ruled in a case brought by Jehovah's Witnesses in 1940 that public schools could compel students to salute the flag and recite the Pledge of Allegiance regardless of religious objections. The ruling was overturned in 1943.
4X9dN TIL Long-eared hedgehogs are nocturnal mammals native to the arid deserts and steppes of Egypt through to Central Asia, where they typically live in burrows. Their ears are much larger than those of other species of hedgehogs and are considered an adaptation for heat radiation in desert climates.