› added 10 years ago

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TIL that an estimated 10-20% of the entire population of Mauritania is enslaved. It only became a crime in 2007.

Read more edition.cnn.com

via reddit.com

gr1W7 TIL - Ants can lay a trail of Pheromones that connect into a circle, eventually trapping the entire colony in a “death spiral” where they essentially all run themselves to death.
b6Y00 TIL the “chain fountain” effect where a chain of beads tumbling out of a jar rises up is also called the “Mould effect” after Steve Mould’s 2013 YouTube video brought widespread public attention to the phenomenon, and Cambridge academics published a paper on it .
jXpn TIL that Vietnam is actually one of the most pro-US countries in the world
ADM0n TIL, that dolphins and whales don't drink sea water. They get water from the food they eat.
E1AXd TIL Lydia O'Leary, a woman who was insecure due to a large birthmark on her face, created a product to hide it that was inspired by her experiments with oil paint. She was granted a patent for her concealer in 1932. It's the only foundation with a USPTO patent.