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Forces of Nature

Humpback Whale Nursery

Researcher Oswaldo Vasquez swims with humpback whales in the blue waters of the Silver Banks Marine Reserve in the Dominican Republic, which is a nursery for humpback whale calves. The calves rely on the warmth created by the water’s interaction with the sun’s photons. This interaction also causes the ocean to be a deep blue color.

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Full Episodes
A closeup portrait of a man wearing traditional face paint. | "Forces of Nature: Elements"
Episode
54:11
Forces of Nature

E2: Elements

The forces of nature make Earth a restless planet, but they also turned our ball of rock into a home for life. How did our planet's ingredients, the chemical elements, come together and take that first crucial step from barren rock to a living world?
A man and a boy on a sled in a snowy landscape with sled dogs running behind them. | "Forces of Nature: Motion"
Episode
Forces of Nature

E4: Motion

The forces of nature have kept Earth on the move since it was formed billions of years ago. Though we can't feel the motion, we experience the consequences — from tidal bores surging through the Amazon rainforest to the ruinous power of hurricanes.
A person wearing traditional garments sits by a tree. | "Forces of Nature: Color"
Episode
Forces of Nature

E3: Color

Earth is painted in stunning colors. By understanding how these colors are created and the energy they carry, we can learn the secret language of the planet.
A young girl wearing orange headgear stands with her arm raised on the shoulders of another girl. | "Forces of Nature: Shape"
Episode
Forces of Nature

E1: Shape

We can't directly see the forces that govern Earth, but we can see their shadows in the shapes of nature that surround us. If we understand why these shapes exist, we can understand the rules that bind the entire universe.
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