Francis A. Plummer: University of Manitoba and National Microbiology Laboratory (Winnipeg), Public Health Agency of Canada In recent decades, more than 40 new or newly recognized diseases have emerged, largely from animal populations, to become local challenges or major pandemics like swine flu. At the same time, familiar diseases have evolved antibiotic resistance or other […]

Dr. David G. Barber: Climate Change and Arctic Sea Ice: So what is all the fuss about? People are becoming increasingly aware that something unusual is happening in the Arctic. The media is full of headlines concerning reductions in sea ice, the opening of northern waterways and the introduction of new species into northern ecosystems. […]