View full lesson: http://ed.ted.com/lessons/tracking-grizzly-bears-from-space-david-laskin

Grizzly bears have adapted cleverly to their diminishing habitat by developing a mostly vegetarian diet in sync with plant growing seasons. Using NASA satellites, scientists track the shifting, interrelated patterns of grizzlies and plants. David Laskin explains how this data can help protect the threatened bears.

Lesson by David Laskin, animation by TED-Ed.

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