› added 4 months ago

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TIL Nitrogen bubbles in the synovial fluid get trapped then released from moving joints and stretches, causing painless noises. Crepitus is harmless when not caused by an injury, medical condition or disease

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6EPQw TIL that in 1969, Georges Perec wrote a 300-page novel called "La Disparition" which completely lacked the letter 'e'. It has since been translated into a dozen languages maintaining this limitation, including an English version entitled "A Void".
Ayvo TIL where flight attendants and pilots sleep during long haul flights. Some large planes have a secret stairway and tiny bedrooms above the main cabin. The bedrooms typically have 6-10 beds, depending on the plane, a storage area and some are equipped with entertainment systems.
ADkE4 TIL that the largest known star in existence UY Scuti, is so big, that if it swapped positions with our sun, it would easily engulf the orbits of Mercury, Venus, Earth, Mars and Jupiter.
dGv9 TIL of Redemption Ink, a non-profit organization offering free coverups to people baring the marks of gangs, prejudice, and hate in the form of a tattoo.
r8ew TIL that a wildlife photographer was able to survive a black mamba bite without antivenom, as the bite hit an artery in his leg and caused a torrent of blood to come spurting out, expelling the venom from the wound.