Image of the Day

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image: Image of the Day: Amazing Astrocytes

Image of the Day: Amazing Astrocytes

By | May 19, 2015

They aren't neurons, but in rats, glial cells in the brain called astrocytes (red) play a major role in repetitive motions like chewing and breathing.

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image: Image of the Day: Fish Head

Image of the Day: Fish Head

By | May 18, 2015

Confocal microscopy at 20x magnification reveals the inside of a five-day-old zebrafish's head after fluorescent staining.

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image: Image of the Day: Resistant Reptile

Image of the Day: Resistant Reptile

By | May 15, 2015

Many of the gut bacteria of Indonesian tokay geckos (Gekko gecko) are resistant to antibiotics, posing a potential health hazard to people who own them as pets.

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image: Image of the Day: Seeing Spores

Image of the Day: Seeing Spores

By | May 14, 2015

Electron micrographs of Clostridium sporogenes—a close relative of the bacterium that causes botulism—show spores as they undergo germination, a process that could be targeted to avert foodborne illness.

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image: Image of the Day: In Vitro Kittens

Image of the Day: In Vitro Kittens

By | May 13, 2015

Domestic cats Elsa and Vito are the first nonhuman animals to be produced from sperm preserved via vitrification, a simplified freezing technique that could be helpful for wild cat conservation.

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image: Image of the Day: 3-D Neuron

Image of the Day: 3-D Neuron

By | May 12, 2015

The techniques used to generate this 3-D reconstruction of an adult fly neuron are similar to those that an international team of researchers hopes to use to analyze human neurons as part of the BigNeuron project.

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image: Image of the Day: Paleolithic Pollen

Image of the Day: Paleolithic Pollen

By | May 11, 2015

Sixteen-thousand-year-old Chenopodiaceae pollen found on the paleolithic tomb of the Red Lady of El Mirón—discovered in a Spanish cave in 2010—suggests that flowers were placed on her grave.

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image: Image of the Day: Rare Fly

Image of the Day: Rare Fly

By | May 8, 2015

The first (and until recently, last) time the vinegar fly (Drosophila gentica) was collected was in 1954 in El Salvador. D. gentica was the second-most common fruit fly species caught in 30 traps placed in Los Angeles backyards as part of a 2014 citizen science project.

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image: Image of the Day: Mucus Meadows

Image of the Day: Mucus Meadows

By | May 7, 2015

A blanket of grass-like cilia and mucus, which make up the textured surface inside human lungs, is shown in a cell culture image captured with an environmental scanning electron microscope.

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image: Image of the Day: Penis Worm Teeth

Image of the Day: Penis Worm Teeth

By | May 6, 2015

500-million-year-old fossils of the carnivorous penis worm (Ottoia), a burrowing marine animal named for its shape, contain a variety of tiny, scaly teeth.

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