Intelligent people have more zinc and copper in their hair.
233
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
The Japanese, on average, are the shortest people.
320
The world's shortest man measures only 21.5 inches.
73
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