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TIL of Arek Hersh, a Jewish man who survived the Holocaust as a child. At the age of 14, he was sent to Auschwitz-Birkenau. He was tattooed with the number B7608 and had his only photographs of his family ripped away from him. The Holocaust killed 81 members of his family. Only his sister survived.

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via reddit.com

kOeLd TIL that only 6.6% of the Hawaiian population is made up of native Hawaiians. (based on 2000 census)
M7PRW TIL: A scientific study at Cambridge found that sheep were smart enough to recognize human faces from a photo. However, their performance dropped when the picture is tilted. To conduct the study, scientists have them treats to identify photographs. They used photos of Emma Watson.
M71MA TIL media reporting of suicides is carefully regulated as it can trigger more suicides. For example, in Taiwan, reports of charcoal-burning suicides were associated with a 16% increase in suicides by the same method the following day with no corresponding decrease in other methods of suicide.
8aDVZ TIL bees make honey by continuously regurgitating nectar into each other’s mouths in order to break down the sugars by partially going through the digestive process each time.
60rQ TIL Red color blind monkeys who underwent gene therapy by having their eyes injected with a red cone, had their color blindness cured, potentially opening a door for curing color blindness in humans.