On average a woman has 4 sexual partners in her lifetime.
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Research has determined that most people are happiest at 7:26pm on a Saturday night.
70
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
Your fingernails grow faster in summer.
744
You forget 90% of your dreams.
256
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
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
You can't tickle yourself.
29