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[TIL] Tinted lenses can help with some forms of Dyslexia.

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W76bN TIL The line, "There'll be scary ghost stories" in the song It's the Most Wonderful Time of the Year referred to a Victorian era practice of telling ghost stories at Christmas.
e0KJ6 TIL of Tom Attridge, a Grumman test pilot who managed to shoot himself down while in an F11F Tiger after entering a steep dive and catching up to rounds fired prior to the dive (which slowed down due to air resistance). With his engine and windshield damage, he was forced to crashland but survived.
6Xx7 TIL that William Shakespeare is the originator of knock knock jokes. The oldest written knock knock joke is found in his play, The Tragedy of Macbeth.
VMdGQ TIL Polar bears often hunt walruses by simply charging at a group of them and eating the ones that were crushed or wounded in the mass panic to escape. Direct attacks are rare.
8PPV TIL during the Battle of Iwo Jima, Hospital Corpsman John Willis was treating a fallen Marine in a mortar crater when a grenade landed at his feet. He returned the grenade, followed by 7 others thrown by the enemy in rapid succession, all while administering blood plasma. The 9th grenade killed him.