Science Source Feb 2010

Typical hexagonal snowflake. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized version of BK3578.

Typical hexagonal snowflake. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized version of BK3578.

Typical hexagonal snowflake. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized version of BK3578.

Typical hexagonal snowflake. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized version of BK3578.

Scanning electron micrograph (SEM) of a snow crystal. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized vers...

Scanning electron micrograph (SEM) of a snow crystal. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized vers...

Scanning electron micrograph (SEM) of a snow crystal. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized vers...

Scanning electron micrograph (SEM) of a snow crystal. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized vers...

Scanning electron micrograph (SEM) of a snow crystal. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized vers...

Rimed hexagonal snow crystal. Rime is a white ice that forms when the water droplets in fog or mist freeze to the outer surfaces of objects. Image was...

Scanning electron micrograph (SEM) of a snow crystal. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized vers...

Rimed hexagonal snow crystal. Rime is a white ice that forms when the water droplets in fog or mist freeze to the outer surfaces of objects. Image was...

Rimed hexagonal snow crystal. Rime is a white ice that forms when the water droplets in fog or mist freeze to the outer surfaces of objects. Image was...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized v...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized v...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized v...

Rimed hexagonal snow crystal. Rime is a white ice that forms when the water droplets in fog or mist freeze to the outer surfaces of objects. Image was...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized v...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized v...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized v...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized v...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). Colorized v...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). This is a c...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). This is a c...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). This is a c...

Snowflake in the form of an ordinary hexagonal dendrite. Image was obtained using a Low Temperature Scanning Electron Microscope (LT-SEM). This is a c...

Color enhanced photograph of a snowflake (positive). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (negative). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (negative). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (negative). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (positive). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (positive). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (negative). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (positive). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (negative). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (positive). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (negative). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (positive). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (negative). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (positive). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (negative). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (negative). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced photograph of a snowflake (positive). The snowflake was photographed on a glass plate by Wilson A. Bentley (1865 - 1931), who was proba...

Color enhanced light micrograph of salivary gland chromosomes of a fruit fly (Drosophila). (Enhancement of 7X8542)

Color enhanced light micrograph of salivary gland chromosomes of a fruit fly (Drosophila). (Enhancement of 7X8542)

Color enhanced light micrograph of salivary gland chromosomes of a fruit fly (Drosophila). (Enhancement of 7X8542)

Color enhanced light micrograph of salivary gland chromosomes of a fruit fly (Drosophila). (Enhancement of 7X8542)

Color enhanced SEM (Scanning Electron Micrograph) of a salivary gland chromosome of Drosophila before puffing. Magnification: x1200. (Enhancement of 5...

Color enhanced SEM (Scanning Electron Micrograph) of a salivary gland chromosome of Drosophila before puffing. Magnification: x1200. (Enhancement of 5...

Color enhanced SEM (Scanning Electron Micrograph) of a salivary gland chromosome of Drosophila before puffing. Magnification: x1200. (Enhancement of 5...