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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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Mitochondrial DNA polymerase is necessary for the destruction of paternal mtDNA in fruit fly sperm, scientists show.

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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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image: Song Around the Animal Kingdom

Song Around the Animal Kingdom

By | March 1, 2017

Diverse species are said to sing, but music is in the ear of the beholder.

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image: From Cricket Choruses to <em>Drosophila</em> Calls

From Cricket Choruses to Drosophila Calls

By | March 1, 2017

A handful of insect species communicate using auditory signals—sounds that researchers have dubbed “song.”

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

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image: An Aging-Related Effect on the Circadian Clock

An Aging-Related Effect on the Circadian Clock

By | February 21, 2017

Stress-related genes may be preferentially and rhythmically expressed as part of the circadian rhythms of older fruit flies, researchers report.  

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image: Toward Killing Cancer with Bacteria

Toward Killing Cancer with Bacteria

By | February 8, 2017

Researchers employ an engineered microbe to destroy tumor cells in mice.

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