Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The average sperm cell swims at 8 inches per hour.
4
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Your heart will pump about 212 million liters in its lifetime.
26
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The human sigh acts as a physiological reset button.
23
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132