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Brain Cells Self-Amplify

By | July 5, 2011

A certain type of neural precursor does it all—replaces itself, differentiates into specialized brain cells, and multiplies into more stem-cell-like cells.

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image: Exosome Explosion

Exosome Explosion

By | July 1, 2011

These small membrane vesicles do much more than clean up a cell’s trash—they also carry signals to distant parts of the body, where they can impact multiple dimensions of cellular life.

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image: Americans Support Stem Cell Research

Americans Support Stem Cell Research

By | July 1, 2011

A new study finds that more than two thirds of Americans approve of the use of stem cells in research aiming to cure serious diseases.

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image: A Scar Nobly Got

A Scar Nobly Got

By | July 1, 2011

The story of the US government’s efforts to stamp out smallpox in the early 20th century offers insights into the science and practice of mass vaccination.

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image: C-ing with the Lights Out

C-ing with the Lights Out

By | July 1, 2011

I the dark Arctic shallows one research finds heterotrophic marine bacteria doing a surprising amount of carbon fixing.

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image: Exosome Basics

Exosome Basics

By | July 1, 2011

Exosomes are small membrane vesicles secreted by most cell types. Internal vesicles form by the inward budding of cellular compartments known as multivesicular endosomes (MVE). 

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image: The Ninefold Ring

The Ninefold Ring

By | July 1, 2011

Editor’s Choice in Structural Biology

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image: Thymus Finder

Thymus Finder

By | July 1, 2011

Editor’s Choice in Immunology

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image: Book excerpt from <em>Pox: An American History</em>

Book excerpt from Pox: An American History

By | July 1, 2011

In Chapter 5, "The Stable and the Laboratory," author Michael Willrich explores the burgeoning vaccine manufacture industry that ramped up to combat smallpox epidemics in turn-of-the-twentieth-century American cities.

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Contributors

July 1, 2011

Meet some of the people featured in the July 2011 issue of The Scientist.

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