The horizontal fraction bar was introduced by the Arabs.
Did you know?
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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Vaccines prevent between 2.5 and 4 million deaths every year.
Conservation of Angular Momentum
Meal Time
Principles of time management
Mold is growing on red/green agar in a divided Petri dish.
Modern Hydroelectric Power Uses
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is