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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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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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The human body produces and destroys 15 million blood cells every second.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Tracheid cells in xylem tissue. Tracheid cells in xylem tissue.
Vacuoles in Plant Cells Are Usually Large Vacuoles in Plant Cells Are Usually Large
Human embryonic stem cells differentiated to neural cells Human embryonic stem cells differentiated to neural cells
The bridging ability of IgM: (a) Pictorial view of IgM bridging of red cells. (b) Macroscopic view ... The bridging ability of IgM: (a) Pictorial view of IgM bridging of red cells. (b) Macroscopic view ...
Opener Colored scanning electron micrograph of two prostate cancer cells in the final stages of cell Opener Colored scanning electron micrograph of two prostate cancer cells in the final stages of cell
Conjugation of F and F cells Conjugation of F and F cells
Video: Global warming and its effect on climate change

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