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image: Similar Data, Different Conclusions

Similar Data, Different Conclusions

By | 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: A Genetic Root to Seasonal Affective Disorder

A Genetic Root to Seasonal Affective Disorder

By | February 23, 2016

Researchers have identified a gene that ties sleeping patterns to the winter blues experienced by many people living at extreme northern and southern latitudes.

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image: Widespread Plant Immune Tactics

Widespread Plant Immune Tactics

By | February 22, 2016

A survey of plant genomes reveals how different species trick pathogens into triggering their immune defenses.

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image: Adjustable Brain Cells

Adjustable Brain Cells

By | February 18, 2016

Neighboring neurons can manipulate astrocytes. 

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image: Breast Milk Sugars Support Infant Gut Health

Breast Milk Sugars Support Infant Gut Health

By | 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: New CRISPR Patent Issued

New CRISPR Patent Issued

By | February 18, 2016

Caribou Biosciences receives a patent related to the gene-editing technology.

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image: Demystifying BOLD fMRI Data

Demystifying BOLD fMRI Data

By | February 17, 2016

What does blood oxygen level–dependent functional magnetic resonance imaging actually tell us about brain activity? 

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image: More Mini Brains

More Mini Brains

By | February 17, 2016

Simple versions of brain organoids could serve as new models for testing the effects of drugs, researchers reported at this year’s AAAS meeting. 

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image: Neanderthals’ Genetic Legacy

Neanderthals’ Genetic Legacy

By | February 11, 2016

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

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image: Another Lyme Disease–Causing Bacterium Found

Another Lyme Disease–Causing Bacterium Found

By | February 9, 2016

Scientists discover another species of Borrelia in the U.S.

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