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A new statistical method finds that many genetic variants used to determine trait-disease relationships may have additional effects that GWAS analyses don’t pick up.

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image: Origin of Frog-Killing Chytrid Fungus Found

Origin of Frog-Killing Chytrid Fungus Found

By Ruth Williams | May 10, 2018

DNA evidence points to Asian amphibians as the source of a fatal disease that has been wiping out frogs across the globe.  

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image: Ancient Humans Had Hepatitis B

Ancient Humans Had Hepatitis B

By Abby Olena | May 9, 2018

Analyses of more than 300 ancient human genomes show that Hepatitis B virus has infected humans for at least 4,500 years and has much older origins than modern viral genomes would suggest.

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image: Genetic Adaptation to Cold Brought Migraines With It

Genetic Adaptation to Cold Brought Migraines With It

By Viviane Callier | May 3, 2018

Humans living in higher latitudes tend to have a variant of a gene involved in sensing cold temperatures, but it comes with a cost.  

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image: Reprogrammed Cells Treat Diabetes in Mice

Reprogrammed Cells Treat Diabetes in Mice

By Abby Olena | May 2, 2018

Researchers used a trio of transcription factors to transform pancreatic duct cells in vivo into β-like cells that secrete insulin and improve diabetes symptoms.

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image: Free Divers From Southeast Asia Evolved Bigger Spleens

Free Divers From Southeast Asia Evolved Bigger Spleens

By Anna Azvolinsky | April 19, 2018

The adaptation gives better endurance to the Bajau people, known as sea nomads, by increasing spleen size and, in turn, boosting the number of oxygenated red blood cells when diving.  

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image: Monitoring Mutations with Microfluidics

Monitoring Mutations with Microfluidics

By Ruth Williams | March 15, 2018

A device dubbed the “mother machine” enables real-time observation of mutagenesis in single bacterial cells.  

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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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Thousands of axons grew from the transplants and connected to damaged primate tissue, the first such demonstration in primates.

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image: Stem Cell Vaccine Protects Mice From Cancer

Stem Cell Vaccine Protects Mice From Cancer

By Ruth Williams | February 15, 2018

Stem cells and cancer cells have enough molecular similarities that the former can be used to trigger immunity against the latter.

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