Premio Nobel per la fisica a un giapponese e un canadese

Takaaki Kajita of Japan, director of the Institute for Cosmic Ray Research and professor at the University of Tokyo, speaks after learning he won the Nobel Prize in physics at the university in Tokyo, Tuesday, Oct. 6, 2015. Kajita and Arthur McDonald of Canada won the Nobel Prize in physics on Tuesday, for the discovery of neutrino oscillations. (AP Photo/Eugene Hoshiko)