Yawns are more contagious among people with closer relationships.
163
Children's sense of smell is better than adults'.
860
The average housewife walks 10 miles a day around the house doing her chores.
100
Women who read romance novels have sex twice as often as those who don't.
101
People with blue eyes are better able to see in the dark.
153
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