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.

Why do baseball players put a black mark under their eyes?

By Adam Annaccone, Clinical Associate Professor of Kinesiology, University of Texas at Arlington

As one piece of more than a century of baseball traditions, eye black is part science experiment, part routine and part uniform.

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