Nobody likes a mooch, but new research finds that grifting off others is a sound evolutionary strategy. Parasitism — a survival strategy that involves hijacking a host's nutrients for one's own ...

Scientists often attribute the tendency of male mammals to die earlier than females to hunting, fighting for mates, and other risky behaviors that the males engage in. In the Sept. 20 Science, however ...

Deer, caribou, bison and other similar animals are often infected by a range of internal parasites, including worms called helminths. Although many of these infections are not lethal, they can still ...

The tiny, iridescent parasitoid wasp is the latest insect shown to be a cryptic complex of genetically distinct species. By Sabrina Imbler The tiny, iridescent Ormyrus labotus always seemed suspicious ...

Katie Clow receives funding from the Natural Sciences and Engineering Research Council of Canada (NSERC) and the Canadian Institutes of Health Research (CIHR). She has completed veterinary education ...

THIS most readable and interesting book is divided into three parts. The first discusses the general principles underlying natural resistance and acquired immunity to parasitic infections. The factors ...