Image of the Day

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image: Image of the Day: Retina Roadmap

Image of the Day: Retina Roadmap

By | September 20, 2016

In the optic fiber layer of a mouse retina, glial cells (green) and optic nerve fibers (red) help transmit visual stimuli to the brain.

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image: Image of the Day: Fine Folds

Image of the Day: Fine Folds

By | September 19, 2016

Artistic rendering of a dendritic cell

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image: Image of the Day: Delicate Perch

Image of the Day: Delicate Perch

By | September 16, 2016

This Anna's hummingbird (Calypte anna) rests on a twig in the San Gabriel Mountains of California.

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image: Image of the Day: Down to Earth

Image of the Day: Down to Earth

By | September 15, 2016

Cape ground squirrels (Xerus inauris) in South Africa use the sun as a reference point to remember where they bury food, according to a study.

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image: Image of the Day: Heat Seekers

Image of the Day: Heat Seekers

By | September 14, 2016

A protein known to help cells withstand heat shock may also trigger the larvae of a parasitic flatworm (Schistosoma mansoni) to burrow into human flesh, researchers report.

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image: Image of the Day: Snail’s Pace

Image of the Day: Snail’s Pace

By | September 13, 2016

Insulin produced by a predatory cone snail (Conus geographus), pictured here hunting a fish, appears to act three times faster than current therapeutic insulin products, according to new research.

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image: Image of the Day: Jellyfish in the Sun

Image of the Day: Jellyfish in the Sun

By | September 12, 2016

Thimble jellyfish (Linuche unguiculata) drift with the current in the calm turquoise waters of a lagoon in Ofu, American Samoa.

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image: Image of the Day: Break Out

Image of the Day: Break Out

By | September 9, 2016

Spores of yellow rust, an agricultural pathogen, rupture the surface of a wheat leaf. A recently announced grant from the European Research Council is aimed at fighting yellow rust disease.

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image: Image of the Day: Holding Court

Image of the Day: Holding Court

By | September 8, 2016

Overwintering monarch butterflies congregate in fluttering clusters on a Eucalyptus tree near Pismo Beach, California.

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image: Image of the Day: Thorny Issues

Image of the Day: Thorny Issues

By | September 7, 2016

The arrival of ancient antelope ancestors in Africa may have played a part in forests becoming grassland and prompted trees to sprout defensive thorns, according to research published this week.

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