In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
A person swallows approximately 295 times while eating dinner.
63
Yawns are more contagious among people with closer relationships.
163
About 3000 years ago, most Egyptians died by the time they were 30!
18