Illicit drug use costs the United States approximately $181 billion every year.
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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.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The average office desk has 400 times more bacteria on it than a toilet.
Grime's classification of plant life-history strategies
A rich diversity of life lives in and among coral reefs.
The Scale of Life 2
The four stages of life expressed in five different primates.