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The finding confirms that a cluster of cells that directs the fate of other cells in the developing embryo is evolutionarily conserved across the animal kingdom.

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image: Image of the Day: Jasper the Cat

Image of the Day: Jasper the Cat

By The Scientist Staff | May 22, 2018

Researchers found a previously undiscovered hepadnavirus in an immunocompromised cat.

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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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Sequencing of a single gene can spot patients with a dangerous form of mycosis fungoides better than other prognostic tests.  

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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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The extracellular matrix appears to inhibit regeneration; but scientists debate whether heart muscle really comes back.  

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image: Image of the Day: Swiss Army Crustacean

Image of the Day: Swiss Army Crustacean

By The Scientist Staff | May 2, 2018

The tools researchers used to study how this amphipod’s limbs develop could help inform our understanding of cell lineages and fates.

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Researchers stumbled across the connection while searching for ways to reduce vision problems in people with achromatopsia.

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The devices, which could one day treat children with esophageal atresia and short bowel, were recently tested in pigs.

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A trio of papers provide new insight into embryo development.

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