It takes approximately 12 hours for food to entirely digest.
93
You can't tickle yourself.
29
One human hair can support 3 ounces.
191
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
On average a woman has 4 sexual partners in her lifetime.
-143
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
A human being loses an average of 40 to 100 strands of hair a day.
133
We share 70% of our DNA with a slug.
218