Removing cellular bookmarks smooths the path to stem cells

In reading, a bookmark tells where you stopped. Cells use bookmarks too, specific proteins that help the cell remember what collection of genes needs to be turned on again after the brief halt of gene expression during cell ...

Why do women live longer than men?

Women live longer than men. This simple statement holds a tantalizing riddle that Steven Austad, Ph.D., and Kathleen Fischer, Ph.D., of the University of Alabama at Birmingham explore in a perspective piece published in Cell ...

How a molecular motor untangles protein

A marvelous molecular motor that untangles protein in bacteria may sound interesting, yet perhaps not so important. Until you consider the hallmarks of several neurodegenerative diseases—Huntington's disease has tangled ...

A novel toxin for M. tuberculosis

Despite 132 years of study, no toxin had ever been found for the deadly pathogen Mycobacterium tuberculosis, which infects 9 million people a year and kills more than 1 million.

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