Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Chewing gum boosts your brain power.
285
Caffeine boosts memory.
405
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
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Starfish don't have brains.
132
The human brain is more active during sleep than during the day.
28
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61