How Wolves Returned to Denmark After 200 Years
Learn about wolves that were spotted in Denmark in 2017, the first time the species had been seen in the country since 1813.
Encyclopædia Britannica, Inc.
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© Ruben Duro/Science SourceA light micrograph is used to capture footage of the tiny tardigrade, or water bear.
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Encyclopædia Britannica, Inc.You can say that all tortoises are turtles, but not all turtles are tortoises.
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Encyclopædia Britannica, Inc.Colors result from the electromagnetic radiation of a range of wavelengths visible to the eye.
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Encyclopædia Britannica, Inc.The area of Europe compared with other continents
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Encyclopædia Britannica, Inc.The Danube River links the countries of the Balkan Peninsula to each other and to the rest of Europe.
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Encyclopædia Britannica, Inc.Learn how small changes in the food pyramid can upend the ecosystem.
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Encyclopædia Britannica, Inc.Breaking news: Dire wolves are still extinct. (Sorry.)
