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Image of the Day

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image: Image of the Day: Owlfly Origins

Image of the Day: Owlfly Origins

By | July 14, 2014

Owlflies are an ancient group that date back to the mid-Mesozoic era. They are only distantly related to fruit flies and dragonflies; their closest living relatives are antlions, or doodle bugs.

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image: Image of the Day: Pregnant Octocoral

Image of the Day: Pregnant Octocoral

By | July 11, 2014

The white dots within the body of this octocoral (named for the eight tentacles on its polyps) might be developing embryos.

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image: Image of the Day: Bottlebrush Blooms

Image of the Day: Bottlebrush Blooms

By | July 10, 2014

Virginia peppergrass (Lepidium virginicum) blooms in a racemose pattern, with the oldest flowers at the base of the stalk and new blossoms at the tip, so the entire inflorescence resembles a bottlebrush.

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image: Image of the Day: Cave-dwelling Crustacean

Image of the Day: Cave-dwelling Crustacean

By | July 9, 2014

This shrimp-like crustacean (Mictocaris halope) lives in limestone caves off the islands of Bermuda. Cave-adapted species such as this one hint at the existence of deeper marine caves in this region.

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image: Image of the Day: Dog Diversity

Image of the Day: Dog Diversity

By | July 8, 2014

Unlike those in humans and domestic plants, large physical differences in dog breeds may stem from just a few genetic loci.

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image: Image of the Day: Scaffold Set-up

Image of the Day: Scaffold Set-up

By | July 7, 2014

Toxoplasma gondii, an intracellular parasite that infects most warm-blooded animals, constructs cytoskeletal scaffolds to form daughter cells within a mother cell.

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image: Image of the Day: Ear-ly Exit

Image of the Day: Ear-ly Exit

By | July 3, 2014

A Dumbo octopus (Grimpoteuthis sp.) in the Gulf of Mexico coils its arms up tightly and uses its ear-like fins to swim away. This was the first time researchers observed this “coiled leg” posture in the species.

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image: Image of the Day: Conspicuous Camouflage

Image of the Day: Conspicuous Camouflage

By | July 2, 2014

A male Knysna dwarf chameleon (Bradypodion damaranum) looks mostly green to the human eye, but very different to a chameleon. The bright colors may have evolved as social signs of dominance rather than as camouflage to avoid predation.

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image: Image of the Day: Tumor Trigger

Image of the Day: Tumor Trigger

By | July 1, 2014

Simian virus 40 can cause cancer in some animals such as hamsters, but studies suggest it is not oncogenic in humans.

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image: Image of the Day: Frosty Frontier

Image of the Day: Frosty Frontier

By | June 30, 2014

Despite the green hues in this satellite snapshot, Canada's frigid, rocky Belcher Islands can only support a sprinkle of low-growing plants.

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