What tourists see at the site of the Chernobyl disaster
Tourists visiting the site of the Chernobyl disaster.
Contunico © ZDF Studios GmbH, Mainz
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Encyclopædia Britannica, Inc.An overview of the role greenhouse gases play in modifying Earth's climate.
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Encyclopædia Britannica, Inc.The harmful effects of radiation from nuclear bombing.
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Encyclopædia Britannica, Inc.An overview of the nitrogen and phosphorus cycles in the biosphere.
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Encyclopædia Britannica, Inc.Learn what defines an organism and consider two candidates for the title of world's smallest organism—the bacteria Carsonella ruddii and Mycoplasma genitalium.