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image: Image of the Day: 3-Billion-Year-Old Bubbles 

Image of the Day: 3-Billion-Year-Old Bubbles 

By | May 10, 2017

Fossilized gas bubbles, formed from being trapped by microbial biofilms, provide the oldest signature of life in terrestrial hot springs.

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image: Quick and Cheap Zika Detection

Quick and Cheap Zika Detection

By | May 3, 2017

A heat block, a truck battery, and a novel RNA amplification assay make for in-the-field surveillance of the virus.

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image: Polio Vaccine Pioneer Dies

Polio Vaccine Pioneer Dies

By | May 2, 2017

Julius Youngner collaborated with Jonas Salk on the polio vaccine, and later identified interferon gamma and contributed to an equine influenza vaccine.

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Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.

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image: Infographic: How the Zebrafish Got Its Stripes

Infographic: How the Zebrafish Got Its Stripes

By | May 1, 2017

Immune cells called macrophages shuttle cellular messages in the skin.

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Studies of infected rhesus monkeys reveal the virus’s long-term hiding places in the body.

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image: Image of the Day: Bygone Blood Cells

Image of the Day: Bygone Blood Cells

By | April 11, 2017

These fossilized red blood cells (right), found in an ancient, blood-engorged Amblyomma tick (left), likely belonged to primates.

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image: Image of the Day: Ancient Worm

Image of the Day: Ancient Worm

By | April 10, 2017

Unlike related species, Ovatiovermis cribratus, a lobopodian from the Cambrian period, did not have a hard, protective shell.

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image: Viral Trigger for Celiac Disease?

Viral Trigger for Celiac Disease?

By | April 6, 2017

A common, seemingly benign human virus can trigger an immune response that leads to celiac disease in a mouse model, researchers show. 

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image: Contributors

Contributors

By | April 1, 2017

Meet some of the people featured in the April 2017 issue of The Scientist.

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