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image: Cave Dwellers, 1938

Cave Dwellers, 1938

By | March 1, 2016

Renowned sleep researcher Nathaniel Kleitman and a colleague spent a month underground to test the body’s natural rhythms.

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image: Christina Schmidt: Chronobiology Crusader

Christina Schmidt: Chronobiology Crusader

By | March 1, 2016

Research Fellow, Cyclotron Research Center, University of Liège. Age: 35

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image: Spoiler Alert

Spoiler Alert

By | March 1, 2016

How to store microbiome samples without losing or altering diversity

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image: Sugar Time

Sugar Time

By | March 1, 2016

Metabolic activity, not light, drives the circadian clock in cyanobacteria.

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image: The A B Zzzzs

The A B Zzzzs

By | March 1, 2016

An overview of the human sleep cycle

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image: A Month in Mammoth

A Month in Mammoth

By | March 1, 2016

Two sleep researchers braved the subterranean environment of a Kentucky cave to see if they could train their bodies to abandon the cyclical rhythms of the 24-hour day.

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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: 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: Circadian Clock and Aging

Circadian Clock and Aging

By | February 3, 2016

Whether a critical circadian clock gene is deleted before or after birth impacts the observed aging-related effects in mice.

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image: Contributors

Contributors

By | February 1, 2016

Meet some of the people featured in the February 2016 issue of The Scientist.

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