Department of Medicine, University of Toronto, Toronto, Ontario, Canada Evaluative Clinical Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada Division of General Internal Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada Center for Leading Injury Prevention Practice Education & Rese...

Antivirus software is one of the most widely used tools for detecting and stopping malicious and unwanted files. However, the long term effectiveness of traditional hostbased antivirus is questionable. Antivirus software fails to detect many modern threats and its increasing complexity has resulted in vulnerabilities that are being exploited by malware. This paper advocates a new model for malw...

S lakes, and estuaries are among the most highly invaded ecosystems in the world; in many of them, alien organisms are now a significant part of the biota (Cohen 2002). The best-documented invaders in these systems are fishes. Because many fish species are widely introduced, there is concern among scientists and managers over the homogenization of freshwater fish faunas worldwide (McKinney and ...

Persistent organic pollutants (POPs) can travel thousands of miles, accumulate in the food chain, and persist in the environment, taking as long as centuries to degrade. POPs are known to play a role in birth defects, cancer, immune system dysfunction, and reproductive problems in wildlife. While the effects of POPs on human health are unclear, many researchers believe that long-term exposure c...