It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
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The Japanese, on average, are the shortest people.
320
Intelligent people have more zinc and copper in their hair.
233
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Many people in parts of China eat insects. Some common insects are bean worms, scoprions, and locusts.
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