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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
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The familiar sounds of your heart are made by the heart's valves as they open and close.