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TIL In 1965 an engine exploded on a 707 taking 1/3rd of the wing with it but was able to land safely. When another 707 was sent to pick up all the passengers its nose gear collapsed on landing. A 3rd 707 was then sent to pick up any remaining passengers who still trusted planes at this point.

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VMVED TIL that Nobel laureate Rabindranath Tagore renounced his knighthood in 1919 (awarded in 1915), after the British empire fired on a gathering of unarmed men, women and children in Amritsar, India (Jallianwala Bagh massacre) which resulted in the death of over a 1000 civilians.
k5r4 TIL That the Soviet Union couldnt figure out how to weld titanium without cracking it, so they built 80% of the Mig-25 out of…stainless steel.
dDE4r TIL Percieved sourness is caused not only by free protons, but also by protonated carboxyl groups. That means that organic acids will taste sour, even without really low hp. This explains why even some weak bases like sodium acetate taste sour, because the acetate ion will protonate.
neQMY TIL in 1907 the US Supreme Court ruled that "a woman is not a person", barring a woman from practicing law. That same year, a woman arrested for drunkenness argued, and won her case, that she could not be charged because she was not a person and therefore not held accountable to the law.
0w6G1 TIL that every sweater Mr Rogers wore on his show had been hand knitted by his mother, Nancy Rogers. She made him a new one every Christmas. She died in 1981. When they started wearing thin in the 1990s, replacements were found, but the source has been forgotten.