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
On average, there's 100 billion neurons in the human brain.
83
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24