Tolerance.ca
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.
Human Rights Observatory
By Gabriela Radulescu, Guggenheim Postdoctoral Fellow, Smithsonian Institution
Radio astronomy opened up the universe for scientists. They could map new elements across galaxies and also search for signals from extraterrestrial civilizations.The Conversation (Full Story)
By Huma Tariq Malik, Ph.D. Student in Soil and Crop Sciences, Colorado State University
Thomas Borch, Professor of Environmental and Agricultural Chemistry, Colorado State University
Consumer choices about what to eat and how much of it can affect how much water farmers need to use.The Conversation (Full Story)
By Emery Petchauer, Visiting Professor, Teachers College, Columbia University
Oklahoma announced in October 2025 it would no longer assess out-of-state teachers with a controversial test developed by a conservative media company.The Conversation (Full Story)
By Jeff Kruth, Assistant Professor of Architecture, Miami University
Tammy Schwartz, Director of the Urban Cohort, Miami University
With teacher shortages mounting and housing costs soaring, school districts from California to Ohio are experimenting with a new solution: building homes for educators on school-owned land.The Conversation (Full Story)
By Allison Anna Tait, Professor of Law, University of Richmond
Taking good care of your pets can include leaving clear directions to ensure their needs are met once you’re gone.The Conversation (Full Story)
By Peter McGraw, Professor of Marketing and Psychology, University of Colorado Boulder
On Nov. 11 each year, a curious holiday takes over China. What began among Nanjing University students in the 1990s as a tongue-in-cheek counter to Valentine’s Day has exploded into the world’s largest shopping event: Singles’ Day.

The date, 11/11, was chosen because the four ones resemble “bare sticks,” Chinese slang for singles. Today, the holiday generates more than US$150 billion in annual sales, exceeding those on Black…The Conversation (Full Story)

By Alexandra Fanghanel, Associate Professor in Criminology, University of Greenwich
Rape, as a crime, is widely deplored. Society and media condemn rapists, and rape and other sexually-related crimes carry potentially heavy prison sentences when perpetrators are convicted. So why, given this apparent intolerance for rape, do criminologists like me (and many others) still say that we live in a “rape culture”?

Rape culture is a term used to describe societies that accept rape and sexual violence. It is defined as a “set of beliefs that encourage male sexual aggression and support (Full Story)

By Jenni Ramone, Associate Professor of Postcolonial and Global Literatures, Nottingham Trent University
Salman Rushdie’s new collection of short stories urgently recollects his literary legacy. It’s as though time is increasingly uncertain so the need to tell stories is great.

Its title, The Eleventh Hour, says as much, and the book succeeds Knife (2024), written about his attack on stage in 2022. The central story portrays students and writers in the libraries of (Full Story)

By Steve Schifferes, Honorary Research Fellow, City Political Economy Research Centre, City St George's, University of London
The UK chancellor, Rachel Reeves, has made it clear that taxes will go up, and more cuts to welfare spending are on the horizon. The moves will be deeply unpopular and controversial – but in an extraordinary press conference ahead of the UK budget on November 26, Reeves made it clear that she believes both will be necessary.

In a highly unusual move, the chancellor used the press conference to set out her priorities for…The Conversation (Full Story)

By Mark Lorch, Professor of Science Communication and Chemistry, University of Hull
If you’ve sat in a nail salon recently, you may well have encountered TPO or trimethylbenzoyl diphenylphosphine oxide to give it its full chemical name. You won’t have seen the name on the bottle. But if you’ve had your gelled fingers under a blue-violet lamp, TPO could well have been part of the process.

TPO is what chemists call a photoinitiator – basically, a chemical that reacts when it’s hit with UV light. When your nails go under the lamp, TPO breaks apart and helps link tiny liquid molecules together, turning the polish into that solid, shiny, long-lasting gel layer.
(Full Story)

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