Image of the Day

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image: Image of the Day

Image of the Day

By | November 15, 2012

The powerful facial muscles that allow the green lacewing (Chrysopa sp.) to chew, exposed for this collection of confocal microscope images

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image: Image of the Day

Image of the Day

By | November 14, 2012

A three-dimensional image of a fetal mouse kidney, in which the green marks proteins that make up the body of the kidney, and the red marks proteins of the duct system.  

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image: Image of the Day

Image of the Day

By | November 13, 2012

The iris of a human eye has two layers of fibers, radial fibers that pry the pupil open and sphincter fibers that snap it shut.

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image: Image of the Day

Image of the Day

By | November 12, 2012

A light micrograph of a human egg, which is surrounded by a matrix of glycoproteins, called the zona pellucida (brown rim), and a layer of follicle cells, called the corona radiata (yellow).

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image: Image of the Day

Image of the Day

By | November 9, 2012

A fluorescence micrograph of young sporangia, the sacs in which spores are formed, of the slime mold, Arcyria stipata.

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image: Image of the Day

Image of the Day

By | November 8, 2012

The male genitalia of a newly described species of freshwater fish (Gambusia quadruncus) comes equipped with four hooks, which come in handy when hapless females try to avoid mating.

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image: Image of the Day

Image of the Day

By | November 7, 2012

The eye of the common blue damselfly (Enallagma cyathigerum) has a uniform, crystal-like structure, imaged here using two overlapping confocal image stacks.

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image: Image of the Day

Image of the Day

By | November 6, 2012

Schools of fish effectively vote with their fins on which direction to turn next.

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image: Image of the Day

Image of the Day

By | November 5, 2012

Cells infected with vaccinia virus (green) lose their cell-cell contacts and disrupt cell layers.

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image: Image of the Day

Image of the Day

By | November 2, 2012

Typhochlaena costae, shown here, is one of nine new tree-climbing tarantulas discovered in Brazil, which tend to have longer legs and thinner bodies than their ground-dwelling cousins. 

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