Children's sense of smell is better than adults'.
860
Yawns are more contagious among people with closer relationships.
163
On average women can hear better than men.
170
The average person walks the equivalent of twice around the world in a lifetime
69
Males sweat 40% more than females.
104
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
The average American spends a third of their overall time online playing games and using social networks.
298