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The genomes of two species of water bears reveal clues about how they persist in extreme conditions, yet don’t resolve the animals’ debated evolutionary story.

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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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A new method stimulates B cells to make human antigen-specific antibodies, obviating the need for vaccinating blood donors or hunting for rare B cells.

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image: Mini-Metagenomics Leads to Microbial Discovery

Mini-Metagenomics Leads to Microbial Discovery

By Abby Olena | July 14, 2017

Researchers develop a method that combines the strengths of shotgun metagenomics and single-cell genome sequencing in a microfluidics-based platform.

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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: 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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image: Genes Tied to Wasps Recognizing Faces

Genes Tied to Wasps Recognizing Faces

By Ashley P. Taylor | June 14, 2017

The brains of Polistes paper wasps express different genes when identifying faces than when distinguishing between simple patterns, a study finds.

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image: Was a Drop in CRISPR Firms’ Stock Warranted?

Was a Drop in CRISPR Firms’ Stock Warranted?

By Claire Asher | June 7, 2017

A study of off-target effects that sparked fear among investors of genome-editing companies receives methodological criticisms.

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