Vaccines prevent between 2.5 and 4 million deaths every year.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Origin of the plant life cycle.
Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc
Personality over the Life Span
The life cycle of Dictyostelium
Which of the following reactions correctly shows the transmutation of an element by neutron ...