Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
Forty percent of Americans have never visited a dentist.
33
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Babies cry but they don't produce tears until one to three months after birth.
238
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
In a year, the average person walks four miles to make his or her bed.
56
Children's sense of smell is better than adults'.
860
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