twinstwins2
NOBEL-PRIZE/PHYSICS
Arthur B. McDonald, professor Emeritus at Queen's University in Canada, speaks on the phone at Queen's University, he was a co-winner of the Nobel Prize for Physics at his home in Kingston, Ontario October 6, 2015. Japan's Takaaki Kajita and Canada's Arthur B. McDonald won the 2015 Nobel Prize for Physics for their discovery that neutrinos, labeled nature's most elusive particles, have mass, the award-giving body said on Tuesday. (Lars Hagberg/Reuters)
NOBEL-PRIZE/PHYSICS
Arthur B. McDonald, professor Emeritus at Queen's University in Canada, speaks on the phone at Queen's University, he was a co-winner of the Nobel Prize for Physics at his home in Kingston, Ontario October 6, 2015. Japan's Takaaki Kajita and Canada's Arthur B. McDonald won the 2015 Nobel Prize for Physics for their discovery that neutrinos, labeled nature's most elusive particles, have mass, the award-giving body said on Tuesday. (Lars Hagberg/Reuters)