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  • National Geographic: Greenland's Glaciers

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    landforms
    stem
    Views of Greenland's Glaciers from Helicopter with National Geographic.

  • National Geographic: The Lost Colony of Roanoke

    new england
    colony
    roanoke
    National Geographic explains the mysterious circumstances around the lost colony of Roanoke.

  • National Geographic: How Chameleons Change Color

    chameleons
    New research suggests that the way chameleons change color is very different from what scientists had assumed. In this week's "Today I Learned" filmmaker and National Geographic Grantee Jason Jaacks explains that the color change is controlled by nanocrystals in a top layer of the lizards' skin.

  • National Geographic: Glacier National Park Is Melting Away

    glacier
    landforms
    stem
    Glacier National Park is losing its iconic glaciers to a changing climate. In the mid-1800s, this Montana landscape was covered by 150 glaciers - today only 25 remain.

  • National Geographic: What is Day of the Dead?

    day of the dead
    latin american history
    holidays
    This clip introduces the history and tradition behind the Mexican holiday, Día de los Muertos, or Day of the Dead. It explains how the holiday is celebrated and why it is celebrated.