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image: Bouncing Back

Bouncing Back

By Ashley P. Taylor | February 1, 2015

In mice, a transcriptional regulator, β-catenin, activates a microRNA-processing pathway in the nucleus accumbens to promote resilience to social stress.

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image: Capsule Reviews

Capsule Reviews

By Bob Grant | February 1, 2015

Touch, The Altruistic Brain, Is Shame Necessary?, and Future Arctic

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image: Centennial <em>Shigella</em>

Centennial Shigella

By Jef Akst | February 1, 2015

A strain of the dysentery-causing bacterium isolated in 1915 tells the story of a young soldier who died of the disease in the early days of World War I.

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image: Engineer of Change

Engineer of Change

By Tracy Vence | February 1, 2015

A chemical engineer walks into a biology lab . . . and revolutionizes bioengineering. How Robert Langer blazed a trail in drug delivery and regenerative medicine.

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image: Facing Down Emerging Viruses

Facing Down Emerging Viruses

By Michal Barski | February 1, 2015

A better knowledge of the pathogenesis of emerging zoonotic diseases is crucial if we want to prepare for “the next Ebola.”

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image: Viral Virtuosos

Viral Virtuosos

By Christopher S. Sullivan | February 1, 2015

New understanding of noncoding RNAs may solve a long-standing puzzle about how viruses orchestrate lifelong infections.  

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image: Crystal Structure, Murky Function

Crystal Structure, Murky Function

By Ruth Williams | January 29, 2015

Scientists have determined the crystal structures of bacterial translocator proteins, but their functions remain unclear.

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image: Brain Cells Behind Overeating

Brain Cells Behind Overeating

By Anna Azvolinsky | January 29, 2015

Scientists have defined mouse neurons responsible for excessive food consumption at an unprecedented level of detail. 

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image: Filming the Nematode Brain

Filming the Nematode Brain

By Jef Akst | January 26, 2015

Researchers record the first whole-brain videos of an unrestrained animal, viewing neural activity as a roundworm moved freely around a Petri dish.

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image: Ebola Update

Ebola Update

By Jef Akst | January 26, 2015

Vaccine trial to start in Liberia as early as next week; trial for experimental therapy also planned, but production is still limited

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