Yawns are more contagious among people with closer relationships.
163
You can only remember 4 things at a time.
31
In a year, the average person walks four miles to make his or her bed.
56
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
All babies are color blind when they are born.
114
Americans will spend more on cat food this year than baby food.
32