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
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The average person's skin weighs twice as much as their brain.
131
One human hair can support 3 ounces.
191
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
You can't tickle yourself.
29
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
The human brain uses approximately as much energy as a 10 watt light bulb.
120