Yawns are more contagious among people with closer relationships.
163
Every human spent about half an hour as a single cell.
144
Americans will spend more on cat food this year than baby food.
32
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
More redheads are born in Scotland than in any other part of the world.
85
47% of people have a nightmare at least once a month.
186
44% of kids watch television before they go to sleep.
106