Bacteria per square inch
The skin of the armpits can harbor up to 516,000 bacteria per square inch, while drier areas, such as the forearms, have only about 13,000 bacteria per square inch on them.
More Humans Facts
On average people fear spiders more than they do death.
The human heart creates enough pressure while pumping to squirt blood 30 feet.
If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee.