|
|
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
Did you know?
Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.