Image source, Yoji Ochiai Image caption, Yoji Ochiai and his parents, here on Hiroshima beach in 1966, disagree over the need for an apology "We have to remember many still resent the mass killing ...

Continued research of Hiroshima Bay has uncovered a new kind ... silica glass could not be separated from sand grains on the beach, but the soda–lime glasses are similar to compositions of ...