40% of people who are rejected in romantic love slip into clinical depression.
72
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
There are two credit cards for every person in the United States.
2
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
Intelligent people have more zinc and copper in their hair.
233