Most people smile when they are frustrated, according to a study.
15
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
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
The Japanese commonly put ketchup on their rice.
16
Women mature much faster than men.
1k
As many as one third Americans flush the toilet while they are still on it.
157