› added 8 months ago

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TIL that our blood is red because it is rich in iron. Some animals have blue blood because it is rich in copper.

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ANZxa TIL - 9/11 led NATO to invoke Article 5 of the Washington Treaty for the very first time in its history.
ANNga TIL humans are experts at sweating. In 1 hour, a horse can lose about 100grams of water per sq meter of skin. However, a human can easily shed 500grams per sq meter, which helped our ancestors become unrivalled predators as we can stalk prey until they collapse from heat exhaustion
bQeZ TIL Starbucks is donating 100% of their leftover prepared meals to charity. They’ve been donating pastries since 2010, but refrigerated vans will now allow each of the 7,600 stores to distribute all the food that remains unsold at the end of the day while keeping it safe to eat
rnxy TIL If you put superglue on cotton it will catch fire
yVZ0J TIL that WHAM-O's Slip N' Slide is not supposed to be used by persons over the age of 12. There have been rare instances (and lawsuits) of adults breaking their necks while using it and in 1993, the U.S. CPSC warned that the slide might cause permanent spinal cord injury to teens and adults.