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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During your lifetime, you'll eat about 60,000 pounds of food, that's the weight of about 6 elephants!
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In Korea, a child’s first birthday is the most important. In one part of the celebration, several items are placed on a table. The one that the baby picks up first is said to predict their future.
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In one day an average person will take about 18,000 steps.
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A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
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Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
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Most of the world's people must walk at least 3 hours to fetch water!
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More boys than girls are born during the day; more girls are born at night.
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