Director / Editor: Victor Teboul, Ph.D.

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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Some animals catch cancer from others in their species – here’s why humans aren’t one of them

By Lewis C. E. Mason, Lecturer in Microbiology, Kingston University

Scientists in Vermont have just discovered something that shouldn’t really be possible: a skin cancer that’s spreading from catfish to catfish. It’s only the fourth transmissible cancer ever found in nature.

Catfish now join Tasmanian devils, dogs and shellfish…

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