› added 2 years ago

97

TIL: Bats are known to address individuals when they communicate. Most species just make broad communication sounds, while bats can have one-on-one conversations and arguments.

Read more smithsonianmag.com

via reddit.com

X00YD TIL the same artist, Jacque Louis David, painted the Death of Marat, the Oath of the Horatii, and two of the best-known portraits of Napoleon
DQQGV TIL that Christopher Columbus's signature is written in a combinaison of Greek and Latin script, whose exact meaning has not been decyphered yet. People have used the signature to "prove" that he was Greek, Portuguese, Jewish...
rRn81 TIL that early refrigerating systems would use toxic substances like sulphur dioxide, ammonia and methyl chloride as coolants. Methyl chloride was also a gas used during WW1
8aDVZ TIL bees make honey by continuously regurgitating nectar into each other’s mouths in order to break down the sugars by partially going through the digestive process each time.
M7B0W TIL: In the classic cartoon strip, Tintin, Tintin is always moving left to right and his opponents are moving right to left. His adventure, "Cigars of the Pharoah," had to be redrawn when it was discovered that this rule was broken.