› added 7 years ago

305

TIL: Despite Octopi and Squid being colorblind, they can see color by changing the shape of their pupils to accept specific wavelengths

Read more news.berkeley.edu

via reddit.com

E1RGp TIL that the dollar symbol has its origin in Spain
M7prm TIL medieval alchemists associated the 7 known metals at the time (gold, silver, quicksilver, copper, iron, tin, and lead) with the 7 classical planets (the sun, the moon, Mercury, Venus, Mars, Jupiter, and Saturn, respectively). Because of this association, quicksilver is called "mercury" today.
PYNkg TIL Controversial footballer Mario Balotelli burnt down his own bathroom after shooting fireworks from his window.
w9LM A sleepless night is the cognitive equivalent of being legally drunk.
grokL TIL Several hearts of the french kings and queens have been used as brown color for a painting in the Louvre museum!..