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TIL, In 1242, all of Western Europe could have been destroyed had the Mongol horde’s leader, Ögedei Khan, not died of alcohol poisoning during a hunting trip; forcing the horde to return to Mongolia to choose a new Khan.

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jdpj TIL there’s an experimental project in Sweden where volunteers can sign up to receive a text message if there is a heart attack within (500m), so they can perform CPR before an ambulance arrives. 9600 people have signed up as of October, 2013.
Zp0v4 TIL of Steganography, a field similar to cryptography, but that involves concealing a message rather than encoding it. For example, hiding an image in audio, or even hiding one image in the data of another. A famous example, a POW in Vietnam blinked TORTURE in morse code during a newscast.
0d6vy TIL Francis Ngannou worked in Sand mines as a child, was homeless in France, jailed as an illegal in Spain, lived in the forest where he cut himself open scaling barbed wire and was subsequently deserted in the dessert in Morocco before he ever trained to be a fighter.
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