› added 5 years ago

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TIL the blue star symbol on elevators is known as the Star of Life, and means that elevator is big enough to hold a stretcher

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rRlgM TIL that many of the most popular essential oils used in homes today are toxic to dogs and cats even if they are simply used in a diffuser. Symptoms of oil toxicity include muscle tremors, lethargy, vomitting, and more.
aw5YA TIL the Soviets helped foster conspiracy theories around JFK's death in order to sway public opinion away from the US government
Z8BJD TIL The male octopus does not have a penis. A special arm called the hectocotylus, carries the sperm, and in some species they do no use it for penetration. They simply rip the entire limb off, and present it to the female.
8Jj4 TIL Michelangelo and Leonardo Da Vinci both lived in Rome at the same time and really disliked each other.
9wY9M TIL that the Yam postal system of the Mongol Empire covered 190 miles in a day, and was faster than the Pony Express used 600 years later