In Canada, 2012, doctors were able to communicate with a man in a vegetative state. Coma patient Scott Routley was able to tell doctors by using his thoughts that he was not in any pain.

Every year approximately 2,500 left-handed people are killed by using object or machinery designed for right-handed people.

Romans used to believe that walnuts could cure head ailments during the Renaissance, since their shape was similar to that of a brain.

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