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Image of the Day

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image: Image of the Day: Transparent Frog

Image of the Day: Transparent Frog

By | March 6, 2013

The organs of the glass frog, Hyalinobatrachium colymbiphyllum, are visible through its skin.

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image: Image of the Day: Clingy Worms

Image of the Day: Clingy Worms

By | March 5, 2013

The parasite Schistosoma burrows through human skin, attaches to veins with a sucker (pictured here), and lays eggs, which the body expels in fecal matter, ready to infect anew.

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image: Image of the Day: Feeding Love

Image of the Day: Feeding Love

By | March 2, 2013

A male European bee-eater catches an insect to feed his mate as part of a courtship ritual.

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image: Image of the Day: Rat-Kangaroo Cell Divides

Image of the Day: Rat-Kangaroo Cell Divides

By | March 1, 2013

During the metaphase stage of mitosis, the chromosomes (blue) align in the center of the cell, as the microtubules (red) prepare to pull them in opposite directions, dragging them by their kinetochores (green).

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image: Image of the Day: Nervous System Stars

Image of the Day: Nervous System Stars

By | February 28, 2013

Neural progenitor cells (green) develop into astrocytes (orange), which are found throughout the central nervous system and play important roles in synapse function, neural injury response, and other processes.

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image: Image of the Day: Living Body Art

Image of the Day: Living Body Art

By | February 27, 2013

The flatworm Convolutriloba longifissura looks green in some sections because symbiotic algae dwell in its skin.

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image: Image of the Day: Intestinal Ingress

Image of the Day: Intestinal Ingress

By | February 26, 2013

The food-borne pathogen Listeria monocytogenes (green) invades the body through the tips of the intestine's villi (red), which constantly shed cells, exposing a protein the bacterium exploits to gain entry.

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image: Image of the Day: Unwitting Host

Image of the Day: Unwitting Host

By | February 25, 2013

This disease-causing bacterium, Legionella pneumofila (green), may look like it's about to get eaten, but it resists being digested and thrives within the amoeba (orange).

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image: Image of the Day: Head Start

Image of the Day: Head Start

By | February 22, 2013

The starlet sea anemone has no brain, but the same genes that determine the head's location in humans are expressed on its lower end (left), opposite its mouth and tentacles.

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image: Image of the Day: Pirouetting Parasites

Image of the Day: Pirouetting Parasites

By | February 21, 2013

Toxoplasma gondii, parasitic protozoa that can cause problems during pregnancy, have been modified to glow so scientists can trace their paths as they loop and spiral around a petri dish.

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