Nature

The first form of life to develop on the Earth were microbes, and they remained the only form of life until about a billion years ago when multi-cellular organisms began to appear. Microorganisms are single-celled organisms that are generally microscopic, and smaller than ...

River-sculpted Rocks, Lower Rogue River, Oregon

River-sculpted Rocks, Lower Rogue River, Oregon

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Japanese Maple Red Leaves

Japanese Maple Red Leaves

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Grand Teton Reflections, Yellowstone

Grand Teton Reflections, Yellowstone

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River Channel, Temperate Rain Forest, Southern Canada

River Channel, Temperate Rain Forest, Southern Canada

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Vernal Falls, Yosemite National Park, California

Vernal Falls, Yosemite National Park, California

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Cathedral Falls, French Broad Falls, West Virginia

Cathedral Falls, French Broad Falls, West Virginia

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Mississippi River, McGregor, Iowa

Mississippi River, McGregor, Iowa

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Cool Water, Sawtooth Wilderness, Idaho

Cool Water, Sawtooth Wilderness, Idaho

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Moonrise, Bryce Canyon National Park, Utah

Moonrise, Bryce Canyon National Park, Utah

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Golden Wave at Sunset, Puerto Escondido, Mexico

Golden Wave at Sunset, Puerto Escondido, Mexico

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June Lake Loop, Eastern Sierra, Mono County, California

June Lake Loop, Eastern Sierra, Mono County, California

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Paradise River Surrounded by Spring Flowers, Mt. Rainier National Park, Washington

Paradise River Surrounded by Spring Flowers, Mt. Rainier National Park, Washington

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Rainbow over Cerro Solo, Patagonia, Argentina

Rainbow over Cerro Solo, Patagonia, Argentina

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Christine Falls, Mount Rainier, Washington

Christine Falls, Mount Rainier, Washington

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Hoodoos Formations, Bryce Canyon, Utah

Hoodoos Formations, Bryce Canyon, Utah

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