Discover the world’s largest organism: Pando, an enormous and ancient quaking aspen, and find out how it became so huge.

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The largest animal in the world is the blue whale, which weighs a massive 150 metric tons. Even so, it’s not remotely close to being the largest organism by weight. That title goes to an organism so huge that it’s estimated to weigh the equivalent of 40 blue whales. So what is this behemoth? And… where is it? Alex Rosenthal shares the story of the enormous and ancient Pando.

Lesson by Alex Rosenthal, directed by Lisa LaBracio.

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