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TIL In ancient India, Diabetes was called “madhumeha” or “honey urine” as the urine would attract ants. Indian physicians Sushruta and Charaka identified Type 1 and Type 2 diabetes as separate conditions for the first time in 400-500 CE.[xpost from /r/india]

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OoKe1 Today I learned that the Germanic peoples, particularly the Vikings, often buried their dead in ships or boats. The largest discovered Viking ship grave is over 1000 years old and 65 feet long.
BJxr TIL that red eyes appear in photographs as a result of light reflecting off the blood vessels inside the eyeball.
Vk8Z TIL that the name 7-Up was derived from the atomic mass of Lithium: 7; it contained a compound called Lithium Citrate that alleviates depression and stabilizes mood. This was removed from the formula around 1950.
e0xR5 TIL The Inuit Way to teach kids to control their anger by using story to discipline and not acting out.
0wPx5 TIL 'Hello' as a greeting is credited to Thomas Edison. Hello likely derived from hullo, a expression of surprise, but was seen by Edison as good greeting for telephone conversations. Alexander Graham Bell initially used Ahoy (as used on ships) as a telephone greeting, but it didn't take off.