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.

10 years ago, gravitational waves changed astronomy. A new discovery shows there’s more to come

By Simon Stevenson, ARC DECRA Fellow, Swinburne University of Technology

Ten years ago, scientists heard the universe rumble for the first time. That first discovery of gravitational waves proved a key prediction from Albert Einstein’s theory of general relativity and began a new era of astronomy.

Now, a new gravitational-wave discovery marks the anniversary of this major breakthrough. Published today in Physical Review Letters, it puts to the test a theory from another giant…

Read complete article

~	How America helped create the Palestinian Authority – only to undermine it ever since

~	Our study analysed pesticide use and residues across Europe. Here’s what we found

~	The discovery of a gravitational wave 10 years ago shook astrophysics – these ripples in spacetime continue to reveal dark objects in the cosmos

~	Israeli strike in Doha crosses a new line from which relations with Gulf may not recover

~	Türkiye: Crackdown on freedom of expression and assembly exposes troubling pattern of police violence

~	Social media is teaching children how to use AI. How can teachers keep up?

~	Two portraits, two destinies: How Otto Dix’s works ended up in Canadian museums

~	Curious Kids: why do we need to do homework?

~	Recipes from the middle ages have much in common with how our grandparents used to cook

~	Putting your CV together? Complete honesty might not be the best policy