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.

Why do astronomers look for signs of life on other planets based on what life is like on Earth?

By Cole Mathis, Assistant Professor of Complex Adaptive Systems, Arizona State University
It’s hard to look for something you’ve never seen before – and that might not even exist. But you have to start somewhere.The Conversation


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