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image: Mitochondria Versus Nucleus

Mitochondria Versus Nucleus

By | February 15, 2013

Disruptions in the interaction between nuclear and mitochondrial DNA can lead to deficiencies in the mitochondrial energy-generating process, affecting fitness.

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image: Hold Off on Valentine’s Canoodling

Hold Off on Valentine’s Canoodling

By | February 14, 2013

A healthcare professional warns that cold and flu seasons peak in mid-February, so it may be wise take a rain check on kissing, cuddling, and pillow sharing today.

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image: Diversity Defeats Disease

Diversity Defeats Disease

By | February 13, 2013

In a pond, more amphibian species mean decreased chances of disease spread.

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image: Non-coding Repeats Cause Peptide Clumps

Non-coding Repeats Cause Peptide Clumps

By | February 7, 2013

Protein aggregates in the brains of some people with dementia or motor neuron disease have a surprising origin.

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image: New TB Vaccine Fails Trial

New TB Vaccine Fails Trial

By | February 4, 2013

One of the most advanced tuberculosis vaccines has failed to protect infants from getting the disease in a clinical trial, but it may be effective in adults.

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image: Stem-Cell Clinic Moves to Mexico

Stem-Cell Clinic Moves to Mexico

By | February 1, 2013

A company offering experimental stem-cell treatments will carry out its procedures in Mexico after the FDA warned that it would need approval to operate in the U.S.  

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image: A Chill Issue

A Chill Issue

By | February 1, 2013

The very cold, the merely chilled, and the colorful

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image: Contributors

Contributors

By | February 1, 2013

Meet some of the people featured in the February 2013 issue of The Scientist.

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image: Feeding Time

Feeding Time

By | February 1, 2013

The eating schedule—and not the amount of calories—can make the difference between an obese, diabetic, sick mouse and one with a healthy metabolism.

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image: Fellow Travelers

Fellow Travelers

By | February 1, 2013

Collective cell migration relies on a directional signal that comes from the moving cluster, rather than from external cues.

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