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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.