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image: One Antigen Receptor Induces Two T cell Types

One Antigen Receptor Induces Two T cell Types

By Ruth Williams | August 26, 2016

Precursor T cells bearing the same antigen receptor adopt two different fates in mice.

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“Ultimate DISCO” uses a solvent that shrinks whole animals and preserves fluorescence for months.

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image: Toward a Nonaddictive Opioid

Toward a Nonaddictive Opioid

By Ben Andrew Henry | August 18, 2016

A newly discovered painkiller does not cause respiratory depression or addiction in mice and could be an alternative to frequently abused prescription medicines, researchers report.

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Researchers use the CRISPR/Cas system to express three transcription-factor genes, changing the identities of mouse cells.

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image: Stimulating Novel Neural Circuits in the Mouse Brain

Stimulating Novel Neural Circuits in the Mouse Brain

By Anna Azvolinsky | August 11, 2016

With light, researchers can coax a group of neurons in the visual cortices of living mice to fire in concert.

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image: Neural Circuit Plays Role in Overeating

Neural Circuit Plays Role in Overeating

By Alison F. Takemura | August 8, 2016

Activating serotonin receptors halts a binge-like eating behavior in mice, researchers report.

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image: Bird Rests Both Brain Hemispheres During Flight

Bird Rests Both Brain Hemispheres During Flight

By Tracy Vence | August 8, 2016

Great frigatebirds can sleep while flying, researchers report.

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image: Do Schizophrenic Brains Repair Themselves?

Do Schizophrenic Brains Repair Themselves?

By Jef Akst | August 1, 2016

Preliminary research suggests that the brains of schizophrenia patients may regain tissue mass as the illness wears on.

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image: Hot Off the Presses

Hot Off the Presses

By Bob Grant | August 1, 2016

Idiot Brain, Wild Sex, Why Diets Make Us Fat, and The Ethics of Invention

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image: Macrophages Respond to Liver Injury

Macrophages Respond to Liver Injury

By Ashley P. Taylor | August 1, 2016

In mice, immune cells from the body cavity surrounding organs arrive at the site of damage to chew up the nuclei of dead cells.

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