Yawns are more contagious among people with closer relationships.
163
The higher the income, the more likely an American man will cheat on his wife.
94
A man named Charles Osborne had the hiccups for approximately sixty-nine years.
79
Only about 2% of the world population has green eyes.
36
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194
People with blue eyes are better able to see in the dark.
153