Yawns are more contagious among people with closer relationships.
163
Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
Americans collectively eat one hundred pounds of chocolate every second.
60
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
Men fall in love faster than women do.
32