Yawns are more contagious among people with closer relationships.
163
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
Every human spent about half an hour as a single cell.
144
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
Approximately 365 million people in the world have computers while half of the world's 6.5 billion population has never seen or used a telephone.
75
Intelligent people have more zinc and copper in their hair.
233
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
The single biggest predictor of love is proximity.
30