Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
Children's sense of smell is better than adults'.
860
Every three seconds, a new baby is born.
122
Every human spent about half an hour as a single cell.
144
90% of people sit at their computer desk slouching, supporting their head with their left hand.
41
Yawns are more contagious among people with closer relationships.
163
Intelligent people have more zinc and copper in their hair.
233