Yawns are more contagious among people with closer relationships.
163
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
People with blue eyes are better able to see in the dark.
153
A hard working adult sweats up to 4 gallons per day.
39
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
People in parts of Western China put salt in their tea instead of sugar.
16