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TIL that according to the Cleveland Clinic if you want to remember the correct rate of compressions while performing CPR on an unconscious person, you can follow the beats of songs such as Bee Gees' "Stayin' Alive" or "Hips Don't Lie" by Shakira - i.e. 100 to 120 times per minute.

Read more my.clevelandclinic.org

via reddit.com

KYybB TIL there is another Great Wall in Asia located in northern Iran east of the Caspian Sea. Called the "Great Wall of Gorgan" It stretches for 195km(121m) long. 6-10m(20-33ft) wide. There are over 30 forts between 10-50km(6-31m) apart. It is made of fired mud-bricks and has a distinct red color.
d8b4K TIL lizards in areas hit by hurricanes have evolved grippier, bigger toe pads in order to hang on against high winds, even within one generation. Researchers studied 188 anole lizard species in 70 years of hurricane data. In areas spared by hurricanes, lizard toe pads were smaller.
OovMe Today I learned that Saudi high school social studies textbooks were withdrawn in 2017 over an image of Yoda sitting alongside King Faisal.
ZMo4 TIL almost half of Human DNA was introduced into our cells by Viruses.
p4Z8 TIL that the US had a 5 cent paper note, but it was discontinued after it was found that the head of the Bureau of Currency had put his own picture on the front.