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Ray Jayawardhana

Ray Jayawardhana is a professor and the Canada Research Chair in Observational Astrophysics at the University of Toronto. Follow him on Twitter at @DrRayJay.

(<a href='http://www.shutterstock.com/gallery-976514p1.html'>Estremo</a> via <a href='http://www.shutterstock.com/'>Shutterstock</a>)

Scientists hunting particle that could explain the universe

Ray Jayawardhana