Senegalese women spend an average of 17.5 hours a week just collecting water.
27
You forget 90% of your dreams.
256
Yawns are more contagious among people with closer relationships.
163
As many as one third Americans flush the toilet while they are still on it.
157
Americans did not commonly use forks until after the Civil War.
82
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
-3
Women have a slightly higher average IQ than men.
164