About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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There are approximately 3 million unintended pregnancies in the United States each year.
Hybrid vigor in corn
Modern Corn Was Domesticated from the Wild Grass Teosinte
Recruitment of Muscle Fiber Type
One type of safety needle withdraws into a protective sheath when the injection is complete.
Action of a type I topoisomerase
A farmer has 100 acres of land on which she plans to grow wheat and corn. Each acre of wheat ...