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image: Stressed Rodents Make Different Choices

Stressed Rodents Make Different Choices

By Katarina Zimmer | March 1, 2018

Chronic stress tweaks a circuit in the brain that influences how lab rodents make tough decisions. 

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Research into the biological basis of gender identity is in its infancy, but clues are beginning to emerge.

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image: Eat Yourself to Live: Autophagy’s Role in Health and Disease

Eat Yourself to Live: Autophagy’s Role in Health and Disease

By Vikramjit Lahiri and Daniel J. Klionsky | March 1, 2018

New details of the molecular process by which our cells consume themselves point to therapeutic potential.

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image: Infographic: Searching for the Neural Basis of Gender

Infographic: Searching for the Neural Basis of Gender

By Shawna Williams | March 1, 2018

Brain studies have yielded a mixed picture of the neural similarities and differences between people of different genders.

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The variation may help explain why stocked salmon don’t fare as well in the ocean.

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Including microbiome composition in predictions of whether a person is obese can significantly improve their accuracy, according to an analysis.

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Gene flow between elephant species was a common feature of their evolutionary history.

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image: Image of the Day: Inner Glow

Image of the Day: Inner Glow

By The Scientist Staff | February 26, 2018

Researchers engineered a system for bioluminescent imaging that is as much as 1,000 times stronger than existing methods.

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In cooperation with its microbiome, the animal has genetic help in digesting blood and warding off pathogens.

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image: Image of the Day: Cuttlefish Camouflage

Image of the Day: Cuttlefish Camouflage

By The Scientist Staff | February 16, 2018

The cephalopod’s unique ability to disguise itself relies on a single motor nerve exclusively dedicated to skin tension and papillary control.

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