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Mercury is an incredibly stubborn toxin. Once it is emitted from the smokestacks of coal-fired power plants, among other sources, the gas can drift through the atmosphere for up to a year before settling into oceans and lakes. It can then accumulate in fish as toxic methylmercury, and eventually harm the people who consume the fish.

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A new book by Dr. Joshua MacFadyen, an associate professor in the Applied Communication, Leadership, and Culture program in the Faculty of Arts at UPEI, examines the story of flax, a plant that went in a few decades from a specialty crop to one of the most commercially important farming products in a rapidly industrializing North America

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For decades, doctors have been using antibiotics to fight tuberculosis (TB). And consistently, the microbe responsible for the disease, Mycobacterium tuberculosis, has been fighting back. When confronted with current drugs, such as the antibiotic rifamycin, the bacterium often mutates in ways that make it resistant to the treatment.

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