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image: Neanderthal-Human Interbreeding Got an Early Start

Neanderthal-Human Interbreeding Got an Early Start

By | July 5, 2017

Mitochondrial DNA in Neanderthal bone suggests humans first left Africa earlier than previously thought.

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Students will not learn the theory in primary and secondary schools nationwide. 

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image: Image of the Day: Flushing the Gut

Image of the Day: Flushing the Gut

By | June 19, 2017

In response to a bacterial infection, an immune signal in mice's guts triggers a molecular cascade that promotes diarrhea, which, researchers demonstrate, is important for ridding them of the bacteria.  

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Scientists expand the microbial tree of life by publishing more than 1,000 novel reference genomes.  

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The new fossils push the origin of the human species back by 100,000 years.

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image: Mammals May Have a 12-Hour Clock

Mammals May Have a 12-Hour Clock

By | June 6, 2017

Data point to peaks in gene expression in the morning and evening that are distinct from day-night circadian cycles.

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Lactobacillus parafarraginis metabolites hindered the growth of multiple, distantly related bacterial pathogens. 

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image: Mammalian Jaws Evolved to Chew Sideways

Mammalian Jaws Evolved to Chew Sideways

By | June 1, 2017

Parallel evolution in jaws and teeth helped early mammals diversify their diets.

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image: Researchers Discover Salt-Loving Methanogens

Researchers Discover Salt-Loving Methanogens

By | May 26, 2017

Two previously overlooked archaeal strains fill an evolutionary gap for microbes.

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image: Image of the Day: Root Rave 

Image of the Day: Root Rave 

By | May 24, 2017

Pea plant (Pisum sativum) roots that have been inoculated with engineered Rhizobia bacteria glow in the presence of certain proteins. 

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