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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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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.

The vagina, sagittal section showing the location of the vagina and its relationship to the cervix, The vagina, sagittal section showing the location of the vagina and its relationship to the cervix,
Anatomy of the skin. Illustration of a section of skin showing key structures. Anatomy of the skin. Illustration of a section of skin showing key structures.
Shortly after his death, George Washington had already become myth—part Moses, part angel—in this wo Shortly after his death, George Washington had already become myth—part Moses, part angel—in this wo
Page from a copy of Nizami's Khamseh (Quintet) illustrating a princely country feast, Persian, ... Page from a copy of Nizami's Khamseh (Quintet) illustrating a princely country feast, Persian, ...
How did you give birth? C section vs. Normal Delivery How did you give birth? C section vs. Normal Delivery
Transverse section and anterior surface of medulla oblongata Transverse section and anterior surface of medulla oblongata
Video: Introduction to Sickle Cell Anemia

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