On average, there's 300 billion neurons in the octopus brain.
129
The elephant brain weighs about 6,000g.
274
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Our brains have a negativity bias and will remember bad memories more than good ones.
15
There are more nerve cells in the human brain than there are stars in the Milky Way.
349