Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Single atoms form the nodes of an elementary quantum network
Center of Mass of a Binary Star System
Geometry of bonds when carbon is covalently linked to three or four other atoms
Gravitational Force Due to a Distribution of Mass Problem 1
Gravitational Force Due to a Distribution of Mass problem 2