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
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
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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
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
The typical person spends about 600 hours having sex between the ages of 20 and 70.
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