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.

All animal intelligence was shaped by just 5 leaps in brain evolution

By Andrew Barron, Professor, Macquarie University

From jellyfish to genius, the amazing diversity of animal minds around us evolved through five major changes in the computational capacity of brains.

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