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Image of the Day

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image: Image of the Day: Eel Aglow

Image of the Day: Eel Aglow

By | October 10, 2013

A transverse section through a Japanese freshwater eel (Anguilla japonica), which naturally expresses a green fluorescent protein called UnaG in its muscle cells

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image: Image of the Day: Spiny Spider

Image of the Day: Spiny Spider

By | October 9, 2013

This female spiny orbweaver spider (Gasteracantha cancriformis), at 6 millimeters long, dwarfs her 3 millimeters-long mate.

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image: Image of the Day: Cholesterol Crystals

Image of the Day: Cholesterol Crystals

By | October 8, 2013

Cholesterol (blue and orange splotches) visualized using polarized light microscopy

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image: Image of the Day: Glowing Reef Fish

Image of the Day: Glowing Reef Fish

By | October 7, 2013

This yellow triplefin (Enneapterygius abeli) is capable of seeing and producing its own red fluorescence.

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image: Image of the Day: Colorful Cancer

Image of the Day: Colorful Cancer

By | October 4, 2013

A melanoma tumor, imaged using photoacoustic microscopy

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image: Image of the Day: Menage à Fly

Image of the Day: Menage à Fly

By | October 3, 2013

A female fly's reproductive tract contains sperm cells from males of two different species, Drosophila mauritiana (red sperm heads) and Drosophila simulans (green sperm heads).

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image: Image of the Day: Parasite Nursery

Image of the Day: Parasite Nursery

By | October 2, 2013

The larvae of the flatworm that causes schistosomiasis (Schistosoma mansoni) develop inside the muscle of a snail host.

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image: Image of the Day: Node Directions

Image of the Day: Node Directions

By | October 1, 2013

The tilt of these embryonic mouse cell cilia regulates developmental asymmetry.

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image: Image of the Day: Mossy Mind

Image of the Day: Mossy Mind

By | September 30, 2013

Axons (in green) wend through the juvenile mouse cerebellum.

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image: Image of the Day: Arthropod Appendage

Image of the Day: Arthropod Appendage

By | September 27, 2013

Electron micrograph of a larval antlion lacewing’s claw

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