Image of the Day

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image: Image of the Day: Baby Boom

Image of the Day: Baby Boom

By | November 19, 2015

Populations of Adélie penguins (Pygoscelis adeliae) in East Antarctica are growing as glaciers retreat, exposing more breeding sites, according to a recent study.

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image: Image of the Day: Candy Shell

Image of the Day: Candy Shell

By | November 18, 2015

These sugar polymer spheres protect cells, engineered to produce disease-fighting agents, from a patient's immune system. Over time, immune cells (blue and green) detect the spheres and attack (red).

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image: Image of the Day: Assorted Adipose

Image of the Day: Assorted Adipose

By | November 17, 2015

Fat cells use glucose and certain amino acids to produce these accumulated lipid droplets (red).

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image: Image of the Day: Fish Food

Image of the Day: Fish Food

By | November 16, 2015

This European squid (Loligo vulgaris) seized a bream (Sparus aurata) in its tentacles to deliver a lethal bite before eating the fish.

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image: Image of the Day: Glowing Eel

Image of the Day: Glowing Eel

By | November 13, 2015

This 2011 photograph of a false moray eel (family Chlopsidae; lower right) surrounded by fluorescent corals sparked a series of expeditions to study biofluorescent eels.

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image: Image of the Day: Verdant Vampire

Image of the Day: Verdant Vampire

By | November 12, 2015

The amoeba Vampyrella ulothrichis feeds by attaching itself to strands of algae (Ulothrix), piercing the cell walls, and vacuuming out the contents.

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image: Image of the Day: Fuzzy Vision

Image of the Day: Fuzzy Vision

By | November 11, 2015

A honeybee has approximately 3 million hairs covering its body, including those shown here on one of its eyes.

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image: Image of the Day: Fancy Feathers

Image of the Day: Fancy Feathers

By | November 10, 2015

Differences in male (right) and female (left) plumage in the shining honeycreeper (Cyanerpes lucidus) and other songbirds may be driven by factors beyond sexual selection.

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image: Image of the Day: Calcium Colors

Image of the Day: Calcium Colors

By | November 9, 2015

In this Arabidopsis thaliana root tip, calcium ion concentrations in the mitochondria vary from low (blue) to medium (green) to high (red).

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image: Image of the Day: Here Be Dragons

Image of the Day: Here Be Dragons

By | November 6, 2015

The blue dragon nudibranch (Glaucus atlanticus) can feed on venomous Portuguese man o’ wars (Physalia physalis) and arm itself with their cnidarian sting.

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