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TIL some Contact Lenses are Recyclable

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p80D4 TIL A Boeing B-52 Stratofortress carrying two 3–4-megaton Mark 39 nuclear bombs broke up in mid-air, dropping its nuclear payload in the process. Information declassified in 2013 showed that one of the bombs came very close to detonating and was never recovered.
E1xpP TIL "burking" is the death by asphyxiation caused by someone sitting on your chest and holding his hand over your mouth and nose. It is named after the Scottish serial killer William Burke, who used this method in order to leave few marks on the victims which he then sold to Anatomical Institutes.
7Wv7 TIL termites may produce up to two litres of hydrogen from digesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
9YQ4Q TIL that there is a village in Africa's Burkina Faso where crocodiles and humans have lived side-by-side in peace for over 600 years
gZNX TIL During the second World War, pharmaceutical giant Bayer used slave labour and even bought slaves from Auschwitz to use a human guinea pigs for new drugs.