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image: An Epigenetic Aging Clock for Mice

An Epigenetic Aging Clock for Mice

By | April 21, 2017

Scientists predict rodents’ ages by assessing DNA methylation markers in various tissues.

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A protein found in human umbilical cord plasma improves synaptic plasticity, learning, and memory in aged mice.

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

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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: Image of the Day: Senior Scientists

Image of the Day: Senior Scientists

By | March 28, 2017

The aging science and engineering workforce in the U.S. can be traced back to the Baby Boomer cohort of researchers and the elimination of mandatory retirement in universities.

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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: Human Gut Microbe Transplant Alters Mouse Behavior

Human Gut Microbe Transplant Alters Mouse Behavior

By | March 1, 2017

Fecal transplants from humans with irritable bowel syndrome and anxiety into mice lead to similar symptoms and anxiety-like behavior in the rodents, researchers report.  

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NASA researchers have discovered ancient microbes locked inside minerals, suggesting a possible niche for interstellar life.

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