How spinach can be used to detect explosives
Learn about scientifically enhanced spinach being developed to help in detecting explosives in war-torn countries.
Encyclopædia Britannica, Inc.
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Contunico © ZDF Studios GmbH, MainzA 2009 profile of Son Masayoshi as SoftBank began to expand beyond Japan.
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© 2025 Thomson ReutersRobots competed in tennis, track-and-field, boxing, martial arts, and other sports at the World Humanoid Robot Games in Beijing.
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Encyclopædia Britannica, Inc.Johannes Gutenberg developed one of the first printing presses in the mid-1400s.Media Editor: Lauren Sims
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ICBLA video marking the 20th anniversary of the International Campaign to Ban Landmines (ICBL), founded in 1992, including footage of Diana, princess of Wales, and her work with land-mine victims.
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© Civil War Trust (A Britannica Publishing Partner)Learn about combat tactics and weapons used by soldiers on both sides during the American Revolution (1775–83).
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© Civil War Trust (A Britannica Publishing Partner)Learn how gunpowder and muskets were used during the American Revolution.
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Public DomainThe gas mask became a part of modern warfare with the introduction of chemical weapons in World War I. With the growth of total warfare and the targeting of civilians by air forces during World War II, the gas mask became a familiar part of daily life during wartime. In this video, English schoolchildren practice putting on and breathing through gas masks.
