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Author Question: Between 1.3 and 1.0 billion years ago, the Grenville orogeny occurred in the supercontinent ... (Read 61 times) |
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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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.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Your heart beats over 36 million times a year.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.