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A molecule produced by a strain of Staphylococcus epidermis interferes with DNA synthesis.

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image: Here Comes Single-Cell Optogenetics

Here Comes Single-Cell Optogenetics

By Ruth Williams | March 1, 2018

A new protein may allow researchers to home in on individual neurons, determining their activity minute by minute.

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image: Parasitologist, Reprogrammed: A Profile of David Roos

Parasitologist, Reprogrammed: A Profile of David Roos

By Anna Azvolinsky | March 1, 2018

After discovering a novel organelle found in protozoan parasites, the University of Pennsylvania’s Roos created a widely used eukaryotic pathogen database.

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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: 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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image: Paleoproteomics Opens a Window into the Past

Paleoproteomics Opens a Window into the Past

By Catherine Offord | March 1, 2018

Researchers are looking to proteins to explore the biology of ancient organisms, from medieval humans all the way back to dinosaurs.

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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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image: Image of the Day: Size Matters

Image of the Day: Size Matters

By The Scientist Staff | February 23, 2018

The male proboscis monkey’s large nose probably evolved in response to female preference and competition between males.

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image: Bats May Have Taken on Viruses To Stay in Flight

Bats May Have Taken on Viruses To Stay in Flight

By Ashley Yeager | February 23, 2018

Dampening the immune response to stay up in the air may have helped bats become tolerant to viral infections.

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