Image of the Day

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image: Image of the Day: Waiting for Ocelots

Image of the Day: Waiting for Ocelots

By | January 3, 2017

Camera traps caught a rare glimpse of a family of ocelots in a South Texas refuge, allowing wildlife biologists to give this three-week old kitten a quick checkup.

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image: Image of the Day: Tiny Vortices

Image of the Day: Tiny Vortices

By | January 2, 2017

A starfish larva is illustrated stirring up a whorl of water.

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image: Image of the Day: Bones About It

Image of the Day: Bones About It

By | December 30, 2016

Researchers have catalogued thousands of digital fish skeletons, such as this CT scan of a sturgeon poacher (Podothecus accipenserinus), and made the images available to the public.

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image: Image of the Day: Littlest Weasel

Image of the Day: Littlest Weasel

By | December 29, 2016

The least weasel (Mustela nivalis) is the smallest member of the Mustelidae family.

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image: Image of the Day: Pipefish Genes

Image of the Day: Pipefish Genes

By | December 28, 2016

Biologists publish a reference genome for the gulf pipefish (Syngnathus scovelli).

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image: Image of the Day: Hardened Arteries

Image of the Day: Hardened Arteries

By | December 27, 2016

Patients with a rare genetic disease suffer from calcification in their arteries—like this cross-section of one calcified popliteal artery. Now, researchers may have identified the mechanism behind this condition.

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image: Image of the Day: New Fly in Town

Image of the Day: New Fly in Town

By | December 26, 2016

Scientists discover a new species of robber fly, Trichoura pardeos, in South Africa.

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image: Image of the Day: Fish Fry

Image of the Day: Fish Fry

By | December 23, 2016

Mathematical models are helping researchers understand how elevated river temperatures cause higher mortality among salmon eggs, like the ones shown below. 

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image: Image of the Day: Island Time

Image of the Day: Island Time

By | December 22, 2016

The region of the Galapagos Islands responsible for the archipelago's enormous biodiversity—and its eponymous tortoises—likely formed about 1.6 million years ago.

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image: Image of the Day: Deep-Sea Ghosts

Image of the Day: Deep-Sea Ghosts

By | December 21, 2016

This deep-sea octopod, as yet unnamed, could be at risk from habitat destruction due to underwater mining operations.

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