Director / Editor: Victor Teboul, Ph.D.

Looking inside ourselves and out at the world
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 are rubies red and emeralds green? Their colors come from the same metal in their atomic structure

By Daniel Freedman, Dean of the College of Science, Technology, Engineering, Mathematics & Management, University of Wisconsin-Stout

Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic structure.

Read complete article

~	Trump’s trade war is forcing Canada to revive a decades-old plan to reduce U.S. dependence

~	The impact of Donald Trump’s anti-climate measures on our heating planet

~	I’m a sports psychologist and diehard Eagles fan - here’s the behavioral science behind a Super Bowl LIX win

~	Hunger rises as food aid falls – and those living under autocratic systems bear the brunt

~	Some viruses prefer mosquitoes to humans, but people get sick anyway − a virologist and entomologist explain why

~	The Greenland ice sheet is falling apart – new study

~	Restless legs syndrome is incurable – here’s how to manage the symptoms

~	Just Stop Oil’s protest during The Tempest is an extension of theatre’s radical tradition

~	How the ‘year of the wood snake’ could play out for China’s economy

~	DRC rebels take eastern city of Goma – why it matters and what could happen next