Japan Nobel laureate Koshiba who found neutrinos dies at 94

Japanese astrophysicist Masatoshi Koshiba, a co-winner of the 2002 Nobel Prize in physics for confirming the existence of elementary particles called neutrinos, has died. He was 94.

Koshiba, a distinguished professor at the University of Tokyo, died at a Tokyo hospital on Thursday, the university announced Friday. It didn't...