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TIL dogs track orcas by sniffing for their floating poo

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781rx TIL that the moon is rusting. Lunar hematite which is formed through oxidation of lunar surface iron by the oxygen from the Earth’s upper atmosphere that has been continuously blown to the lunar surface by solar wind when the Moon is in Earth’s magnetotail.
47w6 TIL that DeForest Kelley (Dr. McCoy on ‘Star Trek’) had wanted to become a doctor, but could not afford medical school. He received many letters from fans who went into medicine because of his character: “To influence the youth of the country … is an award that is not handed out by the industry”.
yVjnX TIL that a Gnostic Sect believed that Cain was the first victim of the evil creator deity from the Old Testament. With this, they sided with those believed to be persecuted such as the Sodomites and believed in breaking the laws held within the Old Testament to find escape from the material world.
jXQQ TIL Over 15% of American soldiers in the Vietnam War were addicted to heroin, yet over 95% quit completely upon returning to the US
5DLp TIL Steve Job’s Cancer was very treatable, But he wanted to fight it naturally and it killed him…