The T6SS is composed of an outer sheath that harbours an inner tube, which are anchored to the bacterial envelope by a baseplate; contraction of the sheath drives the tube across the target cell ...

Wearing waders and work gloves, three dozen employees from the U.S. Department of Agriculture’s Natural Resources Conservation Service stood at a small creek amid the dry sagebrush of southeastern ...

Captured through the powerful lens of X-ray telescopes, the ethereal expanse of a pulsar wind nebula is revealed in unprecedented detail. Reading time 2 minutes Move over, Pillars of Creation—there’s ...

Editor’s Note: This is the first in a series of articles on our bodies, how they function, possible problems and solutions. The hand represents one of the most important and remarkable structures of ...