Most people smile when they are frustrated, according to a study.
15
On average women can hear better than men.
170
Every three seconds, a new baby is born.
122
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Men laugh longer, louder, and more often than women.
61
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
47% of people have a nightmare at least once a month.
186