Did you know?
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
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Your heart beats over 36 million times a year.
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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
A male American redstart, Setophaga ruticilla.
A child with a hearing impairment wears a hearing aid (as noted in his left ear).
The Ear/Hearing
Syntax Allows Us to Understand Language by the Organization of the Words
Loud Music and Hearing Loss
Seven students have applied for merit scholarships. This year 3 merit scholarships were ...