An ant brain has about 250 000 brain cells. A human brain has 10,000 million so a colony of 40,000 ants has collectively the same size brain as a human.
118
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
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 has the capacity to store everything that you experience.
4k
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
On average, there's 300 billion neurons in the octopus brain.
129