› added 1 month ago

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TIL: West African populations carry “ghost” DNA from an unknown archaic human species that doesn’t match Neanderthals or Denisovans. Hinting at mysterious lineage.

Read more science.org

via reddit.com

x6BZb TIL David Attenborough, as a young TV producer, was instrumental in tennis balls being the colour they are today.
kEJE TIL of Margaret Abbott, a woman who competed in and won a golf tournament in Paris. After her death, it was discovered that this tournament was part of the poorly-organized 1900 Olympics. She never knew she was an Olympian.
D1rvP TIL that children from dog-owning households have been shown to display fewer conduct problems, peer problems and fewer total difficulties, while also showing more prosocial behavior compared to children without a dog in the home.
vMaj TIL: The opening of the male urethra, the meatus, is a vertical slit in order to force urine to exit in a spiral after having traveled the length of the penis in a vertically compressed tube. This design allows for greater control of the stream and also keeps the end of the urethra clean.
W7QY4 TIL licensed Mexican pharmacies are selling fake prescription medicine containing fentanyl and meth to tourists.