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Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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The average office desk has 400 times more bacteria on it than a toilet.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Cyanide works by making the human body unable to use oxygen.
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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.