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. ...

Summer Storm, Fork of Lightning Striking a Forest

Summer Storm, Fork of Lightning Striking a Forest

17 downloads today
in cat. Nature

US Capitol Building at Night, Washington DC

US Capitol Building at Night, Washington DC

17 downloads today
in cat. Travel

A Regal Bengal Tiger, India

A Regal Bengal Tiger, India

16 downloads today
in cat. Animals

Parliament Building, Ontario, Canada

Parliament Building, Ontario, Canada

16 downloads today
in cat. Travel

Picture Peak, Sierra Nevada, California

Picture Peak, Sierra Nevada, California

16 downloads today
in cat. Nature

Battle Of Kittens

Battle Of Kittens

15 downloads today
in cat. Animals

Big Horn Ram and Ewe

Big Horn Ram and Ewe

15 downloads today
in cat. Animals

Landing STS-26, Shuttle Discovery, October 3, 1988

Landing STS-26, Shuttle Discovery, October 3, 1988

15 downloads today
in cat. Space

Manhattan at Dawn, New York City

Manhattan at Dawn, New York City

15 downloads today
in cat. Travel

Mystic Tarn, Mount Rainier, Washington

Mystic Tarn, Mount Rainier, Washington

15 downloads today
in cat. Nature

Pure Snow and Alpine Glow, Mount Assiniboine

Pure Snow and Alpine Glow, Mount Assiniboine

15 downloads today
in cat. Nature

Sumatran Tiger

Sumatran Tiger

15 downloads today
in cat. Animals

Tree Snake on Branch

Tree Snake on Branch

15 downloads today
in cat. Animals

Azure Window, Malta

Azure Window, Malta

14 downloads today
in cat. Travel

Easy Waves, Coastline, Atlantic Ocean

Easy Waves, Coastline, Atlantic Ocean

14 downloads today
in cat. Nature