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image: How a Popular Probiotic Works

How a Popular Probiotic Works

By Kerry Grens | April 16, 2015

Eating a type of bacterium encourages the activity of other gut microbes, according to a small study.

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image: Citrus History

Citrus History

By Jenny Rood | April 16, 2015

An analysis of 34 chloroplast genomes reveals how and when modern fruit varieties evolved from a common ancestor.

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image: Behavior Brief

Behavior Brief

By Jenny Rood | April 8, 2015

A round-up of recent discoveries in behavior research

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image: Enzyme Improves CRISPR

Enzyme Improves CRISPR

By Kerry Grens | April 1, 2015

A smaller Cas9 protein enables in vivo genome engineering via viral vectors.

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image: Capsule Reviews

Capsule Reviews

By Bob Grant | April 1, 2015

Junk DNA, Cuckoo, Sapiens, and Cool

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image: Manipulative Microbiomes

Manipulative Microbiomes

By Jenny Rood | April 1, 2015

Gut bacteria control tumor growth via the mammalian immune system.

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image: Ebola Mutation Rate Quibble

Ebola Mutation Rate Quibble

By Jef Akst | March 27, 2015

A study suggests that the virus may not be evolving as quickly as a previous group estimated.

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image: Soil Bacteria Live on Wine Grapes

Soil Bacteria Live on Wine Grapes

By Kerry Grens | March 25, 2015

The earthiness of Merlot may have to do with grapevine-dwelling microbiota.

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image: Quorum-Sensing Molecule Modifies Gut Microbiota

Quorum-Sensing Molecule Modifies Gut Microbiota

By Anna Azvolinsky | March 19, 2015

Increasing the abundance of a chemical some microbes use to communicate with one another can help reinstate beneficial bacterial populations in the guts of antibiotic-treated mice. 

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image: Sewage Bacteria Linked to Obesity

Sewage Bacteria Linked to Obesity

By Jef Akst | March 10, 2015

Microbes identified in a city’s sewage treatment plants correlate with the population’s obesity rate, a study shows.

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