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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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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 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

A purse made from a cane toad. A purse made from a cane toad.
Mechanisms of Active and Passive Immunity Mechanisms of Active and Passive Immunity
Apply passive touch over the eyes and cheeks to finish. Place the hands, using very light pressure, ... Apply passive touch over the eyes and cheeks to finish. Place the hands, using very light pressure, ...
Turn the baby over and end with passive touch on the head. Gently hold the baby’s head and look ... Turn the baby over and end with passive touch on the head. Gently hold the baby’s head and look ...
Mechanisms of active and passive immunity Mechanisms of active and passive immunity
The following sentence is written in the passive voice: The man rode his skateboard to work ... The following sentence is written in the passive voice: The man rode his skateboard to work ...
Video: Predator- prey competition and symbiosis

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