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  • National Geographic: Greenland's Glaciers

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

  • National Geographic: How Chameleons Change Color

    science
    biology
    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

    stem
    earth science
    landforms
    glacier
    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?

    holidays
    latin american history
    day of the dead
    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.

  • National Geographic: The Ebola Virus

    ebola
    health education
    infection
    Ebola is a rare, but extremely dangerous disease. Find out how many strains of Ebola exist, how the Ebola virus attacks its host, and the symptoms caused by the virus.