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. ...

A Country Christmas, Wisconsin

A Country Christmas, Wisconsin

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in cat. Travel

A Dark Mood, Black Panther

A Dark Mood, Black Panther

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in cat. Animals

A Faint Afterglow - Supernova N132D Remnant

A Faint Afterglow - Supernova N132D Remnant

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in cat. Space

A Gentle Toco Toucan

A Gentle Toco Toucan

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in cat. Animals

A Golden Season in New England

A Golden Season in New England

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in cat. Nature

A Look Ahead To Spring, Two Red Tulips

A Look Ahead To Spring, Two Red Tulips

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in cat. Flowers

A New Season Awaits, Winter Forest

A New Season Awaits, Winter Forest

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in cat. Nature

A Peak Experience, Olympic National Park, Washington

A Peak Experience, Olympic National Park, Washington

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in cat. Nature

A Perfect Storm of Turbulent Gases in Omega Nebula (M17)

A Perfect Storm of Turbulent Gases in Omega Nebula (M17)

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in cat. Space

A Red Rose For You

A Red Rose For You

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in cat. Flowers

A Regal Bengal Tiger, India

A Regal Bengal Tiger, India

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in cat. Animals

A Summer Day Nostalgia Bliss Desktop

A Summer Day Nostalgia Bliss Desktop

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in cat. Nature

A Super-Efficient Particle Accelerator - Supernova Remnant RCW 86

A Super-Efficient Particle Accelerator - Supernova Remnant RCW 86

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in cat. Space

A Tectonic Feast on Icy Surface of Enceladus

A Tectonic Feast on Icy Surface of Enceladus

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in cat. Space

A Winter Wonderland River Forest

A Winter Wonderland River Forest

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in cat. Nature