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TIL all humans alive on the planet today are related to a single individual who lived as recently as a few thousand years ago, according to the most realistic scientific models to find the "Most Recent Common Ancestor"

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dGbK TIL of a weather phenomenon that struck Kopperl, Texas in June 1960 dubbed “Satan’s Storm.” During this event, temperatures suddenly rose around midnight to 140°F, wind gusts blew at over 75MPH and crops were instantly scorched, causing terrified residents to believe the world was ending.
1pWX TIL a “laughing heir” is distant relative who inherits a deceased person in the absence of any closer relatives. Being so distant from the deceased they don’t feel any anguish over their death, only joy at learning they will be receiving a surprise inheritance.
eZKn TIL that peacocks’ extravagant tailfeathers are an evolutionary disadvantage, because they invite predators. Peahens are attracted to them because any animal with such a clear ‘design flaw’ must have other strong genetic qualities to compensate for it.
x6X4B TIL that there are saws specifically made as musical instruments
ADgD4 TIL Usain Bolt's running gait is asymmetrical due to scoliosis, which has resulted in his left leg being longer than his right leg. Scientists aren't sure if his record-breaking sprint speeds are because of this or in spite of this.