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.

Most air cleaning devices have not been tested on people − and little is known about their potential harms, new study finds

By Amiran Baduashvili, Associate Professor of Medicine, University of Colorado Anschutz Medical Campus
Lisa Bero, Professor of Medicine and Public Health, University of Colorado Anschutz Medical Campus

Manufacturers often make bold claims about how well these technologies work. Better testing would allow consumers and institutions to pick the most effective ones.

Read complete article

~	Pilgrims, or posers? How medieval satire exposed people who lied about their travels to Rome and the Holy Land

~	Elite schools in South Africa: how quiet gatekeeping keeps racial patterns in place

~	2 in 3 Africans will live in cities by 2050: how planners can put this to good use

~	African migration: 5 trends and what’s driving them

~	Nigeria’s public spaces neglect the country’s rich cultural traditions – why this matters

~	Ukraine war: what an ‘article 5-style’ security guarantee might look like

~	Vikings were captivated by silver – our new analysis of their precious loot reveals how far they travelled to get it

~	Making Waves; Breaking Ground: a luminous show that reveals the interconnectedness of nature

~	Five of the most common injuries that can happen while climbing and bouldering

~	Glass half empty? Nutrition studies shouldn’t just focus on what parents do wrong