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Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.