Their structures were once controversial. Now researchers have discovered quasicrystals in the aftermath of a 1945 bomb test.

EUKEMOGENESIS induced by repeated exposures to x-ray and other forms of radiation energy has long been recognized in man and in experimental ammals.’3 The explosion of the atomic bombs in Japan exposed two large human populations to single brief but massive doses of ionizing irradiation and subsequently a marked increase in leukemia among survivors was reported.4 ‘ The present study consists of...

The question of what effects nuclear weapons have on an actor’s success in coercive diplomacy is in part a function of how nuclear weapons change the perceived costs of conflict. We argue that states will be able to prevail in improving their allotment of a good or in convincing an opponent to back down, and have shorter crises, if their opponents have greater expected costs of crisis. Noting, ...

放射線影響研 究所,広 島市比治 山公園6-2,〒730 Much remains to be learned from continued monitoring of the medical experience of the Hiro shima and Nagasaki A-bomb survivors. Many effects are so small, or have such long latent periods , that there is not even now a complete catalogue of effects visible in this large population. There is as yet no evidence of a mutagenic effect, but biochemical and cytogenetic ap...