Ancient DNA provides clues to the evolution of social behavior
...uco-tuco fascinates biologists because it seems to defy all odds. This threatened species has so little genetic diversity that the slightest whiff of climate change or disease should have wiped it off the face of the earth long ago. Yet the hearty gopher-like creature has not only managed to survive for t...New book explains antibiotic resistance for a broad audience
Media coverage about "superbugs" that defy current treatments has increased the public's awareness of and fears surrounding the issue of antibiotic resistance. A new book from ASM Press, Revenge of the Microbes: How Bacterial Resistance is Undermining the Antibiotic Miracle, provides an in-de...An infectious fungus has been found to defy the most basic tenet of sexual reproduction ?that successful mating requires individuals of the opposite sex, according to Howard Hughes Medical Institute researchers at Duke University Medical Center. In the April 21, 2005, issue of Nature, the res...