› added 11 years ago

145

TIL that hippo milk is pink

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via reddit.com

A5gw TIL that if you hyperventilate before swimming underwater or diving, you artificially reduce the amount of CO2 in your bloodstream, preventing the body’s ‘urge to breathe’ trigger, making you blackout and rapidly drown without warning.
lWPB TIL that scientists at UC Berkeley were able to take atomic-scale pictures of a molecule before and after a chemical reaction. The images looked EXACTLY like the classic molecular structure diagrams shown in text books.
woMeP TIL that “fire rainbows” are real. They’re called circumhorizontal arcs and happen when sunlight passes through ice crystals in high-altitude cirrus clouds—creating vibrant, horizontal bands of color in the sky. I had no idea these existed until today.
ep7D TIL That there is a compressed text file of 10 trillion digits of pi that is 7.6 TB
Gymj TIL Bach’s Toccata and Fugue in D minor, often used for horror movies and vampire scenes, was originally written to showcase the organ in a church