A surprising number of microorganisms – 99 percent more kinds than had been reported in findings published just four months ago – are leaping the biggest gap on the planet.
As a new year approaches, the University of Notre Dame's John J. Reilly Center for Science, Technology and Values has announced its first annual list of emerging ethical dilemmas and policy issues in Science and Technology for 2013.
SANTA FE-Describing how living organisms emerged from Earth's abiotic chemistry has remained a conundrum for scientists, in part because any credible explanation for such a complex process must draw from fields spanning the reaches of science.
The plague-causing bacteria Yersinia pestis evades detection and establishes a stronghold without setting off the body’s early alarms. New discoveries reported yesterday help explain how the stealthy agent of Black Death avoids tripping a self-destruct mechanism inside germ-destroying cells.