You share your birthday with at least 9 other million people in the world.
201
Yawns are more contagious among people with closer relationships.
163
Infants spend more time dreaming than adults do.
102
There are two credit cards for every person in the United States.
2
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
City dwellers have longer, thicker, denser nose hairs than country folks do.
48
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973