› added 6 years ago

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TIL of “The Hum” in which a small percentage of people around the world can hear a constant low pitch hum-like noise.

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LnEp TIL about a match between Roger Federer and Rafael Nadal where they played on a court which had clay surface on one side and grass on the other. At that time, Federer was undefeated on grass courts for 5 years and Nadal was undefeated on clay for 3 years.
wLmXY TIL Garlic ranks as the #1 antibacterial food. Capsicums (peppers) are only 75% effective
d7NK TIL that you can undo sent emails on Gmail, meaning the other person never has to see them
mxYgY TIL The Real McCoy was Elijah McCoy. He invented a lubricating cup for Trains that allowed them to be oiled without stopping. Owners of the device called them the real McCoy
x67Gw TIL strength training increases bone density.