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A Florida teenager is the first person with a confirmed infection by the mosquito-borne virus.

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image: Image of the Day: Multiple Choice

Image of the Day: Multiple Choice

By Sukanya Charuchandra | June 19, 2018

Photosynthesis can happen in more than one way.  

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What we can know about biology before the last universal common ancestor is limited—and we should be circumspect in filling in the gaps.

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image: CRISPR Efficiency Tied to Cancer-Causing Process

CRISPR Efficiency Tied to Cancer-Causing Process

By Kerry Grens | June 11, 2018

Two studies find the genome-editing technique works best when cells have a faulty DNA-damage response that’s frequently present in cancers.  

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image: EPA to Limit Assessments of Toxic Chemical Risks

EPA to Limit Assessments of Toxic Chemical Risks

By Ashley Yeager | June 8, 2018

Reducing the evaluation to only direct contact, rather than including environmental exposures, could leave damaging substances on the market, critics say.

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image: Image of the Day: New Kids on the Block

Image of the Day: New Kids on the Block

By Sukanya Charuchandra | June 7, 2018

Researchers discover that a layer of human breast tissue is not one but two distinct cell types.  

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image: Dogs in Southern China Host Several Strains of Flu

Dogs in Southern China Host Several Strains of Flu

By Sukanya Charuchandra | June 6, 2018

They may be a prospective source for an influenza pandemic, researchers warn.  

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The results suggest the virus could severely alter brain development in infants infected after birth, but blocking a signaling protein early on might ease certain symptoms.

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Compared with their urban counterparts, babies and toddlers in rural Nigeria have gut microbiota that more closely resembles that of adults in their community.

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image: New Insights to Improve CAR T Cells’ Safety

New Insights to Improve CAR T Cells’ Safety

By Vicki Brower | June 5, 2018

Drugs approved to treat rheumatoid arthritis block cytokines, the molecules responsible for severe side effects from the immunotherapy, and reduce symptoms in mice.

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