The cat brain weighs about 30g.
167
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
On average, there's 100 billion neurons in the human brain.
83
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61