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Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.