It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
All babies are color blind when they are born.
114
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
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
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194
The average woman uses her height in lipstick every 5 years.
146