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TIL: Clickhole was brought by Cards Against Humanity in 2020-feb-03

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XEDeE TIL of William Kamkwamba, who at the age of 15 taught himself how to build windmills out of junk to provide his family electricity, and later to pump water for his community that was suffering from a huge drought. He did all of this through library books, as his family couldn't afford schooling.
Wk1oX TIL Serial Killers are more likely to have suffered a head injury as a child than non-serial killers.
yYGw TIL the first animal to ask an existential question was from a parrot named Alex. He asked what color he was, and learned that it was “grey”.
A6rg TIL that in the Civil War, Generals were 50% more likely to die in combat than Privates
16k7D TIL: The scent of freshly cut grass is actually a plant's distress signal. When damaged, grass releases "green leaf volatiles" (GLVs), which act as a cry for help. These chemicals attract insects that protect the plant by eating herbivores, making the familiar smell a signal of defense.