Intelligent people have more zinc and copper in their hair.
233
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
The average single man is one inch shorter than the average married man.
88
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
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