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By analyzing the genomes of 161 dog breeds, scientists discover how and when certain canine breeds emerged.

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image: Migratory Eels Use Magnetoreception

Migratory Eels Use Magnetoreception

By | April 14, 2017

In laboratory experiments that simulated oceanic conditions, the fish responded to magnetic fields, a sensory input that may aid migration.

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A mouse study reveals a causal link between changes in intestinal microbiota and increasing inflammation as the rodents age.

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Mice exposed to low doses of penicillin in utero or as young pups exhibited long-term behavioral differences not seen in their non-exposed counterparts, according to a study.

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Scientists identify a mutation in the CRY1 gene in people with abnormal sleeping patterns.

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Recolonizing middle-aged animals with bacteria from younger ones kept killifish alive longer than usual, researchers report.

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image: Mutations Linked to Secondary Cancers

Mutations Linked to Secondary Cancers

By | April 4, 2017

Childhood cancer survivors with mutations in certain cancer-risk genes have a higher risk of developing additional neoplasms later in life, according to research presented at the American Association for Cancer Research annual meeting.

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image: In Certain Social Bees, Gut Microbiomes Follow Phylogeny

In Certain Social Bees, Gut Microbiomes Follow Phylogeny

By | March 29, 2017

Corbiculate bees and their gut-dwelling microbes have been coevolving since the social species evolved from their solitary ancestors around 80 million years ago, scientists suggest. 

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image: Inflammation Drives Gut Bacteria Evolution

Inflammation Drives Gut Bacteria Evolution

By | March 16, 2017

Viruses within Salmonella rapidly spread genes throughout the bacterial population during a gut infection, scientists show.

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image: Image of the Day: Colorful Chromosomes

Image of the Day: Colorful Chromosomes

By | March 16, 2017

This 3-D model of the mouse genome depicts the interactions between chromosomes within an embryonic stem cell.

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