Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
Yawns are more contagious among people with closer relationships.
163
Women mature much faster than men.
1k
During your lifetime, you'll eat about 60,000 pounds of food, that's the weight of about 6 elephants!
53
The average single man is one inch shorter than the average married man.
88
The name "Wendy" was made up for the book Peter Pan!
142
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11