The Grand Canyon is a gigantic geological library, with rocky layers that tell much of the story of Earth’s history.
The show starts off with the family exploring the important role of trees in Earth's ecosystem, from the plight of the almost extinct American Chestnut to the heights scientists go to study the forest ...
From the waters of an Arctic archipelago all the way to the Southern Ocean and marine waters in between, these photos show ...
A menacing 50-degree slope and 9,000 feet straight down: that’s the terrain American mountaineer Jim Morrison tackled when he ...
National Geographic ...
Microbes near the surface of the Southern Ocean sustain the polar food chain — impacting the nutrient flow from the surface to the depths where other microbial communities thrive in the dark. National ...
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