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image: Penetrating the Brain

Penetrating the Brain

By | November 1, 2013

Researchers use molecular keys, chisels, and crowbars to open the last great biochemical barricade in the body—the blood-brain barrier.

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image: Evolving Pain Resistance

Evolving Pain Resistance

By | October 24, 2013

Grasshopper mice harbor mutations in a pain-transmitting sodium channel that allow them to prey on highly toxic bark scorpions.

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image: FDA Considers Three-Parent IVF

FDA Considers Three-Parent IVF

By | October 17, 2013

The US regulatory agency will meet next week to discuss whether to allow human trials of a technique that combines the genetic information of three adults.

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image: Fighting Viruses with RNAi

Fighting Viruses with RNAi

By | October 10, 2013

The long-debated issue of whether mammals can use RNA interference as an antiviral defense mechanism is finally put to rest.

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image: Mislabeled Microbes Cause Two Retractions

Mislabeled Microbes Cause Two Retractions

By | October 10, 2013

Two papers on plant immunity have been retracted, and questions remain about others with similar results. 

9 Comments

image: Sniffing out Alzheimer’s

Sniffing out Alzheimer’s

By | October 9, 2013

A peanut-butter smell test could help diagnose the neurodegenerative disease in its early stages.

1 Comment

image: Pheromone for the Young

Pheromone for the Young

By | October 2, 2013

Researchers identify a compound in juvenile mice that inhibits the sexual advances of adult males.

3 Comments

image: An Olfaction Odyssey

An Olfaction Odyssey

By | October 1, 2013

Thanks to a book, a war, and a big green caterpillar, John Hildebrand found himself mapping the exquisite and surprising wiring of the insect olfactory system.

2 Comments

image: Contributors

Contributors

By | October 1, 2013

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

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image: Get a Whiff of This

Get a Whiff of This

By | October 1, 2013

An issue devoted to the latest research on how smells lead to actions

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