The familiar sounds of your heart are made by the heart's valves as they open and close.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The horizontal fraction bar was introduced by the Arabs.
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Cyanide works by making the human body unable to use oxygen.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
How locust numbers might be correlated with predation.
A single base substitution leading to a single amino acid substitution in the hemoglobin beta chain
A computerized patient registration form used by offices with electronic health records.
As their numbers grow and their resources and health improve, the elderly will enjoy life more and ...
How to add and subtract complex numbers
Metabolic pathways leading to nucleotide modifications in T-even phage–infected E. coli