Yawns are more contagious among people with closer relationships.
163
A hard working adult sweats up to 4 gallons per day.
39
Chen Guanming, from Jiangsu province in eastern China, traveled by RICKSHAW for 2 years and covered nearly 40,000 miles through 16 countries, surviving flood, war zones and extreme temperatures, finally arriving at the London 2012 Olympics.
7
There are 189 people named 'Lol' in the U.S.
11
44% of kids watch television before they go to sleep.
106
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
Roughly a quarter of the world's people live in China.
50