› added 1 month ago

5

TIL that in world war 2, English soldiers would use passwords that had sounds that the language of the people they where fighting against did not have, so that they could tell if an unidentified person was an enemy soldier tying to infiltrate them by if they said these sounds correctly.

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NyVN TIL In many people who have hay fever, fresh fruits and vegetables can trigger an allergic reaction that causes the mouth to tingle or itch. Proteins in fruits and vegetables cause the reaction because they’re similar to those allergy-causing proteins found in certain pollens.
kOlb4 TIL that more people in the US speak Spanish than in Spain
E1meV TIL Former president Jimmy Carter is a 3x Grammy Winner and 9x Grammy Nominee. He is also the 3rd oldest person to ever win a Grammy
ADBdx TIL in most ordinary people, our two ears are not equally good at processing verbal input: there is a right ear advantage (REA) that makes us perceive verbal input from this side more clearly
X01WD TIL of Alfred Redl, an Austrian counterintelligence officer who spent about ten years up to 1913 sending major military secrets to Russia, including Austria's plan for invading Serbia, which Russia then handed to Serbia.