On average, there's 100 billion neurons in the human brain.
83
Research has determined that most people are happiest at 7:26pm on a Saturday night.
70
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Pain occurs when sounds are above 130 db.
124
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Early American humans hunted car-size armadillos and used their shells for houses.
12
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
160