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  • Gorongosa's Water Cycle

    Gorongosa's Water Cycle


    (2 min 15 sec) This animation illustrates the main stages of the water cycle in the setting of Gorongosa National Park.

  • Africa's Savanna Ecosystems

    Africa's Savanna Ecosystems

    Science Talks

    (24 min 56 sec) Savannas cover 20 percent of Earth’s surface and much of Africa. The patterns and processes that occur in this globally important biome illustrate core concepts in ecology.