Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
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The human brain doesn't stop developing until about 25 years old.
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10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
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On average, there's 100 billion neurons in the human brain.
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The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
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On average, there's 300 billion neurons in the octopus brain.
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