The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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Thyroid conditions may make getting pregnant impossible.
Mendel's analyses of single-factor crosses
Diagram of a typical fossil-fueled power plant
Risk Factor Categories for Atherosclerotic Cardiovascular Disease
Wind Power
Hydroelectric Power: Electricity Generation
Politics, Power and the Common Good: An Introduction to Political Science, 5/E