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Social insects kill infected individuals for the benefit of the colony—and now a study has shown how they know who’s sick.

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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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Researchers find consistent behaviors and brain activity in an international study.

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image: Sex Differences in Opioid Analgesia: A Complicated Picture

Sex Differences in Opioid Analgesia: A Complicated Picture

By Catherine Offord | January 1, 2018

Researchers are beginning to tease apart the mechanisms underlying differences in how males and females respond to powerful painkillers.

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Aggressive little marine predators, mantis shrimps possess a mushroom body that appears identical to the one found in insects.

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image: An Eye Scan for Alzheimer’s Disease?

An Eye Scan for Alzheimer’s Disease?

By Shawna Williams | November 1, 2017

Researchers aim for a routine screen to detect the neurodegenerative disease—decades before symptoms appear.

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image: Lessons in Memory from a Champ

Lessons in Memory from a Champ

By Jef Akst | November 1, 2017

A four-time winner of the USA Memory Championship is helping scientists understand how the brain works.

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Researchers suggest that the receptors can control early labor contractions.

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image: Teaching Humans to Echolocate

Teaching Humans to Echolocate

By Diana Kwon | October 1, 2017

By investigating the science behind “seeing” with sound, researchers hope to help blind individuals independently navigate the world.

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image: How Microbes May Influence Our Behavior

How Microbes May Influence Our Behavior

By Amy Lewis | September 1, 2017

Researchers are piecing together the links between the gut microbiome and mental health.

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