› added 8 years ago

317

TIL That rats, like dolphins and humans, are thought to have metacognition, the awareness of your ability to think.

Read more sciencedirect.com

via ift.tt

x6ayg TIL: that the tallest mountain in the solar system is Olympus Mons on Mars, which stands at a height of 22 kilometers (14 miles). Almost three times the height of Mount Everest!
W7rrY TIL the Ostrich Effect, a phenomenon where people would figuratively “bury their head in the sand” and avoid negative but useful information, such as feedback on progress, to avoid psychological discomfort.
R7D7Q TIL a Seattle public utility superintendent fell for a scam big time when he gave away $120,000 dollar's worth of copper to two guys who walked into his office and asked for it, saying "it was for the children."
vjZD TIL in the 50’s and 60’s Chester M. Southam injected hundreds of innocent women and prisoners at Ohio State Penitentiary with live cancer cells “knowing at the time it might very well cause cancer”, He went onto be the VP of the American Cancer Society.
kXAW TIL Christopher Columbus made the natives each bring him a specified amount of gold every three months. Those who didn’t collect enough gold in time had their hands amputated and were left to bleed to death.