Professors Anne L'Huillier (L-R), Goran K. Hansson and Olga Botner, members of the Nobel Assembly, talk to the media at a news conference in Stockholm 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, labelled nature's most elusive particles, have mass, the award-giving body said on Tuesday. REUTERS/Fredrik Sandberg/TT News Agency
STOCKHOLM/LONDON (Reuters) - A Japanese and a Canadian scientist won the 2015 Nobel Prize for Physics on Tuesday for discovering that elusive subatomic particles called neutrinos have mass, opening a new window onto the fundamental nature of the universe.
Neutrinos are the second most bountiful particles after photons, which carry light, with trillions of them streaming through our bodies every second, but their true nature has been poorly understood.
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