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Glial cells, not neurons, lead the way in brain assembly

Researchers have found that the cells directing the very first steps of brain formation are not other neurons, as scientists have long assumed. They've also uncovered previously hidden molecular pathways that attract neurons into the brain.

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In brief: A close look at how HIV-fighting proteins slow the virus down

A new study sheds light on how the body fights back against HIV by mutating the viral DNA.