One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
Babies crawl an average of 200m a day.
212
Yawns are more contagious among people with closer relationships.
163
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
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
Americans did not commonly use forks until after the Civil War.
82
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
