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image: Branching Out

Branching Out

By Ashley P. Taylor | April 11, 2016

Researchers create a new tree of life, largely composed of mystery bacteria.

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image: Zooming In on an Antidepressant Target

Zooming In on an Antidepressant Target

By Ruth Williams | April 6, 2016

Structural studies reveal how SSRI drugs bind to the human serotonin transporter.

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image: Minimal Genome Created

Minimal Genome Created

By Ruth Williams | March 24, 2016

Scientists build a living cellular organism with a genome smaller than any known in nature.

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image: Zika Infects Neural Progenitors

Zika Infects Neural Progenitors

By Ruth Williams | March 4, 2016

Scientists provide a potential biological link between Zika virus infection and microcephaly.

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image: Viral Remnants Help Regulate Human Immunity

Viral Remnants Help Regulate Human Immunity

By Jyoti Madhusoodanan | March 3, 2016

Endogenous retroviruses in the human genome can regulate genes involved in innate immune responses.

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image: Mutations Not Tied to Metastasis

Mutations Not Tied to Metastasis

By Kerry Grens | February 25, 2016

Clinical cases link immune changes to a cancer’s spread through the body, but find no role for so-called “driver” mutations.

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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: Adjustable Brain Cells

Adjustable Brain Cells

By Ruth Williams | 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 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: 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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