The human brain uses approximately as much energy as a 10 watt light bulb.
120
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The human brain is more active during sleep than during the day.
28
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).
8
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93