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image: Similar Data, Different Conclusions

Similar Data, Different Conclusions

By Ashley P. Taylor | February 23, 2016

By tweaking certain conditions of a long-running experiment on E. coli, scientists found that some bacteria could be prompted to express a mutant phenotype sooner, without the “generation of new genetic information.” The resulting debate—whether the data support evolutionary theory—is more about semantics than science.

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image: Breast Milk Sugars Support Infant Gut Health

Breast Milk Sugars Support Infant Gut Health

By Anna Azvolinsky | February 18, 2016

Oligosaccharides found in breast milk stimulate the activity of gut bacteria, promoting growth in two animal models of infant malnutrition.

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image: Neanderthals’ Genetic Legacy

Neanderthals’ Genetic Legacy

By Ruth Williams | February 11, 2016

Ancient DNA in the genomes of modern humans influences a range of physiological traits.

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image: Aging Shrinks Chromosomes

Aging Shrinks Chromosomes

By Ruth Williams | February 5, 2016

A study on human cells reveals how cellular aging affects the 3-D architecture of chromosomes.

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image: Schizophrenia and the Synapse

Schizophrenia and the Synapse

By Ruth Williams | January 27, 2016

Genetic evidence suggests that overactive synaptic pruning drives development of schizophrenia.

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image: Yeasts Mate in Wasp Guts

Yeasts Mate in Wasp Guts

By Catherine Offord | January 18, 2016

The insects’ insides provide a favorable environment for outcrossing in domestic and wild yeast strains, scientists show.

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image: Second Contagious Cancer Found in Tasmanian Devils

Second Contagious Cancer Found in Tasmanian Devils

By Anna Azvolinsky | December 29, 2015

A second fatal, transmissible cancer has been identified in the already endangered species.  

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image: Constant Evolution

Constant Evolution

By Ruth Williams | December 16, 2015

Bacteria growing in an unchanging environment continue to adapt indefinitely.

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image: Cortical Census

Cortical Census

By Ruth Williams | November 26, 2015

Scientists document the characteristics and connections of mouse neocortical neurons to establish the most detailed microcircuit map to date.

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image: How Gastric Bypass Can Kill Sugar Cravings

How Gastric Bypass Can Kill Sugar Cravings

By Ruth Williams | November 19, 2015

A type of bariatric surgery eliminates gut-to-brain signals that trigger sugar highs, a mouse study shows.  

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