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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Some male birds and mammals congregate in communal courting grounds called leks. Some male birds and mammals congregate in communal courting grounds called leks.
Dish from Ecuador called "Cuy" Dish from Ecuador called "Cuy"
Lampreys (sometimes also called lamprey eels) are a family of jawless fish Lampreys (sometimes also called lamprey eels) are a family of jawless fish
Persian leopard (Panthera pardus ciscaucasica), also called Caucasian leopard Persian leopard (Panthera pardus ciscaucasica), also called Caucasian leopard
Inside of the Human Immunodeficiency Virus (HIV) Inside of the Human Immunodeficiency Virus (HIV)
Artist’s depiction of the view inside the uterus, showing a fetus connected by an umbilical cord ... Artist’s depiction of the view inside the uterus, showing a fetus connected by an umbilical cord ...
Video: Introduction to Sickle Cell Anemia

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