Intelligent people have more zinc and copper in their hair.
233
There are more chickens than people in the world.
325
Most people smile when they are frustrated, according to a study.
15
Korean Okhwan Yoon left behind a profitable business to cycle the world in aid of world peace. For over 9 years, he has biked across 192 countries on six continents, and has survived 6 car accidents, malaria, extreme temperatures, robbery, and kidnapping.
16
A person can live without food for about a month, but only about a week without water.
156
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
There are more than 150 million sheep in Australia, and only some 20 million people.
247
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20