The 2015 Nobel Prize in Physics was awarded on Tuesday to Japanese scientist Takaaki Kajita and Canadian scientist Arthur B. McDonald for their discovery of neutrino oscillations, "which shows that neutrinos have mass."
According to the Royal Swedish Academy of Sciences, the scientists made key contributions to experiments that showed neutrinos change identities. This discovery "changed our understanding of the innermost workings of matter and can prove crucial to our view of the universe."
Takaaki is the director of Institute for Cosmic Ray Research and a professor at University of Tokyo in Kashiwa, Japan. McDonald is a professor emeritus at Queen’s University in Kingston, Canada.
The winners will split the $960,000 prize, The Associated Press reported, and will receive a diploma and gold medal during the prize ceremony in December.
The Nobel Prizes in chemistry, literature and peace will be announced later this week. The economics prize will be awarded next Monday.
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