On average, there's 100 billion neurons in the human brain.
83
Babies crawl an average of 200m a day.
212
You forget 90% of your dreams.
256
One human hair can support 3 ounces.
191
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Your thumb is about the same size as your nose.
124