There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Thrity-five percent of the people who use personal ads for dating are already married.
102
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
Most people smile when they are frustrated, according to a study.
15
Many people in parts of China eat insects. Some common insects are bean worms, scoprions, and locusts.
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