Yawns are more contagious among people with closer relationships.
163
About 2/3 of American men prefer boxers to briefs.
83
Approximately 70,000 people in the U.S. are both blind and deaf!
7
You can only remember 4 things at a time.
31
Americans will spend more on cat food this year than baby food.
32
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
