The human brain uses approximately as much energy as a 10 watt light bulb.
120
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
The average sperm cell swims at 8 inches per hour.
4
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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