A person can live without food for about a month, but only about a week without water.
156
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
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Mushrooms are more closely related to humans than they are to plants.
47
The average sperm cell swims at 8 inches per hour.
4
You forget 90% of your dreams.
256
Your fingernails grow faster in summer.
744