What Rudolf Virchow Discovered About Cells
Virchow was one of the most prominent physicians of the 19th century.
Encyclopædia Britannica, Inc.
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© American Chemical Society (A Britannica Publishing Partner)Learn why antibiotics are important and how to prevent their overuse.
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© MinuteEarth (A Britannica Publishing Partner)The basic strategies behind the use of vaccines to prepare the human immune system to deal with harmful pathogens. Adjuvants, such as aluminum, are incorporated into vaccines to hasten the body's immune response.
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Contunico © ZDF Studios GmbH, Mainz; Thumbnail Air Force Historical Research AgencyOverview of the Soviet Union's blockade of West Berlin, with a detailed discussion of the deutsche mark's role in the event.
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Contunico © ZDF Studios GmbH, Mainz; Thumbnail Air Force Historical Research Agency; National Numismatic Collection, National Museum of American HistoryOverview of the introduction of the deutsche mark in western Germany in 1948.
