Did you know?
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.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
(A) Normal spongy bone. (B) Spongy bone with osteoporosis, which is characterized by a loss of bone
That politics was always a rough business is shown in this cartoon, which shows Lincoln, assisted by
The average weight gain between Thanksgiving and New Year's Day is about a pound
Out of Many: A History of the American People
Sign Language
Kahan (Last Year)