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Image of the Day

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image: Image of the Day: Shifting Skin

Image of the Day: Shifting Skin

By | March 27, 2015

A newly described species of frog (Pristimantus mutabilis) found in the Ecuadorian Andes can change its skin texture from spiky to smooth.

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image: Image of the Day: Stain-Free Staining

Image of the Day: Stain-Free Staining

By | March 26, 2015

Researchers have developed a computer tool to predict histological staining patterns based on information from infrared images, allowing pathologists to examine samples, such as the breast tissue shown here, without using harmful chemical dyes.

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image: Image of the Day: Fetal Fumes

Image of the Day: Fetal Fumes

By | March 25, 2015

These 4-D ultrasound scans of fetuses of smoking (top) and non-smoking (bottom) mothers point to developmental delays in the former group.

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image: Image of the Day: RNA Editors

Image of the Day: RNA Editors

By | March 24, 2015

Adenosine is altered in 60 percent of common squid (Doryteuthis pealeii) RNA transcripts.

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image: Image of the Day: Leader Cells

Image of the Day: Leader Cells

By | March 23, 2015

Scientists have identified differences in protein expression in the cells that lead the way to heal wounds (green) and those that follow.

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image: Image of the Day: Glowing Mushrooms

Image of the Day: Glowing Mushrooms

By | March 20, 2015

Brazil's coconut flower mushroom (Neonothopanus gardneri) controls its bioluminescence with a temperature-regulated circadian clock.

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image: Image of the Day: Kiddie Crustaceans

Image of the Day: Kiddie Crustaceans

By | March 19, 2015

Young crabs, like this one in the megalopa stage of development, closely resemble 150-million-year-old fossilized larvae found in southwestern Germany.

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image: Image of the Day: Slimy Worm

Image of the Day: Slimy Worm

By | March 18, 2015

A velvet worm (Epiperipatus acacioi) unfurls its folded mouth papillae—one of which is shown here—to squirt an oscillating jet of slime for prey capture and self-defense. (Scale bar = 100 microns)

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image: Image of the Day: “Little Clover”

Image of the Day: “Little Clover”

By | March 17, 2015

The lesser clover (Trifolium dubium) accounted for 46 percent of the 221 plants sent in by Irish gardeners who were asked to identify the species most likely to represent the shamrock in a 1988 survey.

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image: Image of the Day: Spinal Section

Image of the Day: Spinal Section

By | March 16, 2015

The cross-section of a rat's spine shows its axons (red), synapses (green), and motor neurons (blue).

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