There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The average sperm cell swims at 8 inches per hour.
76
Within three days of death, the enzymes that once digested your food begin to eat you.
22
A person can live without food for about a month, but only about a week without water.
156
A human being loses an average of 40 to 100 strands of hair a day.
133
Your thumb is about the same size as your nose.
124
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89