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Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.