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image: DNA Bends Control Gene Activation

DNA Bends Control Gene Activation

By | March 25, 2014

Genomic structures called i-motifs signal DNA activation, while hairpin loops signal gene suppression.  

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image: Positive Developments on the HIV Front

Positive Developments on the HIV Front

By | March 7, 2014

A gene-editing protocol shows promise, and a second baby who was started on antiretroviral drugs soon after birth appears to be virus-free a year later.

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image: High Protein, High Risk?

High Protein, High Risk?

By | March 6, 2014

Low-protein diets are linked to longer life spans in mice and humans.

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image: Goat Pheromone Double Whammy

Goat Pheromone Double Whammy

By | March 3, 2014

A single molecule emitted by male goats may influence female goat physiology and behavior.

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image: A Twist of Fate

A Twist of Fate

By | March 1, 2014

Once believed to be irrevocably differentiated, mature cells are now proving to be flexible, able to switch identities with relatively simple manipulation.

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image: Contributors

Contributors

By | March 1, 2014

Meet some of the people featured in the March 2014 issue of The Scientist.

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image: Exosome Tentacles

Exosome Tentacles

By | March 1, 2014

Unlike the usual smooth, spherical shape of exosomes, glioblastoma-derived exosomes appear to have long nanofilaments protruding from their surfaces.

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image: Matthew Powner: Origin Solver

Matthew Powner: Origin Solver

By | March 1, 2014

Lecturer, Department of Chemistry, University College London. Age: 32

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image: Tension Tracker

Tension Tracker

By | March 1, 2014

For the first time, researchers quantify the mechanical forces cells exert on one another.

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image: For Whom the Biomarkers Toll?

For Whom the Biomarkers Toll?

By | February 27, 2014

Study finds that a handful of biological indicators can predict a healthy person’s risk of dying within five years.

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