Parasitism: The dark side of symbiosis
Sand steenbras infected with tongue-eating louse (Photo by Marco Vinci/Wikimedia Commons)
In nature, when two individuals of different species often live in close association with each other, this leads to a phenomenon called symbiosis. There are three types of symbiosis: Mutualism is a win-win situation for both organisms because...
Calling doctor centipede
House centipede (Photo from Wiki Commons)
Before starting in communications I had a successful career as a bug doctor. I had a nice little set-up on the playground of my elementary school where I would take bugs cut up by classmates and nurse them back to health. I wasn’t top in my...
The search for an elusive species
Black purse-web spider (Photo by Rob Craig, Ministry of Natural Resources and Forestry)
The black purse-web spider is not well known in Ontario. The species has been found occasionally across Southern Ontario, from Windsor to Belleville, including a recent find in Rouge Park in 2012. Interestingly, it belongs to the group of...
