› added 9 years ago

130

TIL Birds’ knees are actually located just under their bodies and covered in feathers. What some believe to be birds’ knees bent backwards are actually their ankles bent normally forwards.

Read more qi.com

via reddit.com

rxE0 TIL Surfer Chris Blowes survived having his left leg taken by a Great White Shark, despite having no heart beat for the 90 minute trip to the hospital, during which the paramedics conducted nonstop, two-person CPR, keeping oxygenated blood flowing through his brain.
rRN10 TIL that in the XIX century there was a major social movement to limit the working time to 8 hours a day, or 40 hours a week
Oo8pa TIL Xerxes built two pontoon bridges over the Dardanelles strait to move his troops into Macedonia. When a storm destroyed the bridges, Xerxes had the builders beheaded and sent his army to whip, yell at, and brand the waters. The bridges were never rebuilt. Xerxes later lost the war with Macedonia.
QNKQL TIL that the de Bothezat helicopter was a quadcopter that first flew in 1922 and Thomas Edison called it the first successful helicopter.
5VJ6k TIL: Some migrating birds fly at high altitudes, reflecting light from the setting sun not seen at ground level during twlight, producing a glowing wave in the sky.