Ask unlimited questions for free
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
There are 60,000 miles of blood vessels in every adult human.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Cyanide works by making the human body unable to use oxygen.
For a complete list of videos, visit our video library
