Life

Life is a characteristic distinguishing physical entities having biological processes (such as signaling and self-sustaining processes) from those that do not, either because such functions have ceased (death), or because they lack such functions and are classified as inanimate. ...

Omega Centauri (NGC 5139) from Hubble Space Telescope

Omega Centauri (NGC 5139) from Hubble Space Telescope

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in cat. Space

Sandstone Striations, Colorado Plateau, Utah

Sandstone Striations, Colorado Plateau, Utah

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in cat. Nature

Shedfield, Hampshire, England

Shedfield, Hampshire, England

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in cat. Nature

Snow Capped Maroon Bells, White River National Forest

Snow Capped Maroon Bells, White River National Forest

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in cat. Nature

The Moon Over San Francisco, San Francisco, California, USA

The Moon Over San Francisco, San Francisco, California, USA

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in cat. Travel

Virgin River and Watchman, Zion National Park, Utah, USA

Virgin River and Watchman, Zion National Park, Utah, USA

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in cat. Nature

Zabriskie Point, Death Valley, California

Zabriskie Point, Death Valley, California

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in cat. Nature

Aerial View of the CN Tower in Toronto, Canada

Aerial View of the CN Tower in Toronto, Canada

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in cat. Travel

Beautiful Bouquet with Roses

Beautiful Bouquet with Roses

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in cat. Flowers

Camel Caravan Crossing the Libyan Desert

Camel Caravan Crossing the Libyan Desert

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in cat. Travel

Close Snarl, Cougar

Close Snarl, Cougar

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in cat. Animals

Cute Little Philippine Tarsier Monkey

Cute Little Philippine Tarsier Monkey

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in cat. Animals

Dawn, Badwater, Death Valley, California

Dawn, Badwater, Death Valley, California

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in cat. Nature

Formations, Slot Canyon, Arizona, USA

Formations, Slot Canyon, Arizona, USA

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in cat. Nature

Golden Retrievers Pups

Golden Retrievers Pups

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in cat. Animals