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image: What the Sun Does to Photoreceptors

What the Sun Does to Photoreceptors

By Catherine Offord | August 16, 2017

Optometrist and eclipse-chaser Ralph Chou describes how even a partially eclipsed sun can damage the eye.

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There is little evidence that full treatment durations discourage the development of drug-resistant bacteria.

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image: A Potential Remedy for the Aging Brain

A Potential Remedy for the Aging Brain

By Aggie Mika | August 8, 2017

In mice, injected fragments of a naturally occurring protein boost memory in young and old animals and improve cognition and mobility in a model of neurodegenerative disease. 

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image: Chemogenetics Doesn’t Work Like Many Thought

Chemogenetics Doesn’t Work Like Many Thought

By Kerry Grens | August 4, 2017

A study finds the so-called DREADD method of manipulating neurons using a drug called CNO actually works via clozapine.

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image: Stem Cells in the Hypothalamus Slow Aging in Mice

Stem Cells in the Hypothalamus Slow Aging in Mice

By Ashley P. Taylor | July 26, 2017

Once implanted into animals’ brains, neural stem cells that secrete microRNA-containing vesicles seem to contribute to an anti-aging effect.

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image: Behavior Circuits Mapped in Whole Fruit Fly Brain

Behavior Circuits Mapped in Whole Fruit Fly Brain

By Anna Azvolinsky | July 13, 2017

Using machine learning, researchers have created extensive maps of the neuronal circuits associated with social and locomotion behaviors in the fruit fly. 

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image: Electrical Stimulation Steers Neural Stem Cells

Electrical Stimulation Steers Neural Stem Cells

By Ashley Yeager | July 3, 2017

Current can guide implanted cells away from rats’ noses toward a region deep in their brains.

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image: Anti-Preeclampsia Hormone Discovered

Anti-Preeclampsia Hormone Discovered

By Ruth Williams | June 29, 2017

A small, placenta-produced peptide fixes the pregnancy-related condition in mice. 

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image: How Roundworms Sleep

How Roundworms Sleep

By Diana Kwon | June 22, 2017

When Caenorhabditis elegans surrenders to slumber, the majority of its neurons fall silent.

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image: Gut Feeling

Gut Feeling

By Ruth Williams | June 22, 2017

Sensory cells of the mouse intestine let the brain know if certain compounds are present by speaking directly to gut neurons via serotonin.

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