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Author Question: The half-life of chlorine-34 is 1.52 seconds. How much time will pass before a given sample of ... (Read 23 times) |
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.