The average person falls asleep in seven minutes.
115
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Intelligent people have more zinc and copper in their hair.
233
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
52
About 2/3 of American men prefer boxers to briefs.
83
All babies are color blind when they are born.
114
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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