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.

The sky isn't just blue – airglow makes it green, yellow and red too

By Michael J. I. Brown, Associate Professor in Astronomy, Monash University
Matthew Kenworthy, Associate professor in Astronomy, Leiden University

The sky looks blue on a sunny day – but at night we can see the faint glow of its true colour.

Read complete article

~	Long after the guns fall silent, conflict-related sexual violence leaves lasting scars

~	How to stay safe during heat waves – and the heat stroke warning signs to watch for

~	Friday essay: ‘my heart is full of sparks’ – as war escalates, can I hope for Iran’s liberation from a tyrannical regime?

~	Is there any hope for a fairer carve-up of the GST between the states?

~	Despite decades of cost cutting, governments spend more than ever. How can we make sense of this?

~	New cases of meningococcal disease have been detected. What are the symptoms? And who can get vaccinated?

~	Jaws at 50: the first summer blockbuster is still a film that bites – even when the shark didn’t work

~	Bribe or community benefit? Sweeteners smoothing the way for renewables projects need to be done right

~	Global Voices News Quiz: Week of June 16 2025

~	Liam McIlvanney is joining us for a seriously laid back discussion about crime fiction, academia and a few other matters – come along