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.

Pregnant male seahorses support up to 1,000 growing babies by forming a placenta

By Jessica Suzanne Dudley, Postdoctoral Fellow, Macquarie University
Camilla Whittington, Senior lecturer, University of Sydney

We examined male seahorse pouches under the microscope at different stages of pregnancy, and found they develop complex placental structures over time — in similar ways to human pregnancy.

Read complete article

~	Cement is a big carbon emitter and quality is costly: a civil engineer explains

~	What should you do if you can’t pay your rent or mortgage?

~	National Gallery 200: an intriguing Victorian painting of the gallery by a little-known artist

~	The UN has a ‘list of shame’ for those who harm children in war – but who is missing?

~	Nostalgia hasn’t always been a tool for manipulating our emotions – it was once a medical condition

~	Small but mighty, plankton are some of the most powerful creatures on Earth

~	Bird flu detected in Colorado dairy cattle − a vet explains the risks of the highly pathogenic avian influenza virus

~	Medicine doesn’t just have ‘conscientious objectors’ − there are ‘conscientious providers,’ too

~	What are roads made of? A pavement materials engineer explains the science behind the asphalt you drive on

~	Algorithms help people see and correct their biases, study shows