Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Yawns are more contagious among people with closer relationships.
163
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Your heart will pump about 212 million liters in its lifetime.
26
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
All 13 minerals necessary for human life can be found in alcohol beverages.
282
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11