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image: Live Slow, Die Old

Live Slow, Die Old

By | May 17, 2012

Ancient bacteria living in deep-sea sediments are alive—but with metabolisms so slow that it’s hard to tell.

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image: Battlefield Head Trauma

Battlefield Head Trauma

By | May 17, 2012

A new study suggests that the brain injuries suffered by soldiers in Afghanistan may be similar to those observed in some athletes.

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image: Synchronized Clocks

Synchronized Clocks

By | May 16, 2012

Researchers identify the first circadian clock component conserved across all three domains of life.

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image: Music Lessons Benefit Babies

Music Lessons Benefit Babies

By | May 11, 2012

One year olds smile more and communicate better if they participate in interactive music classes with their parents.

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image: Gene Signaling by Remote

Gene Signaling by Remote

By | May 7, 2012

Nanoparticles in mice can be switched on to activate insulin production using a radio signal.

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image: Six Threats to Chromosomes

Six Threats to Chromosomes

By | May 3, 2012

Researchers identify two new DNA repair systems, in addition to four that were already known, that can attack unprotected telomeres.

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image: Nervous Mice Get Worse Cancer

Nervous Mice Get Worse Cancer

By | May 3, 2012

Anxious mice are more likely to come down with aggressive skin cancer than those who show less stress on behavioral tests.

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image: Telomere Basics

Telomere Basics

By | May 1, 2012

Telomeres are repetitive, noncoding sequences that cap the ends of linear chromosomes. They consist of hexameric nucleotide sequences (TTAGGG in humans) repeated hundreds to thousands of times. 

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In Chapter 12, "The Opium Fields," author Marc Lewis recounts one night spent in the brain chemistry-bending grip of opium addiction.

3 Comments

Contributors

May 1, 2012

Meet some of the people featured in the April 2012 issue of The Scientist.

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