Scientists Susumu Kitagawa, Richard Robson and Omar M Yaghi won the Nobel Prize in Chemistry on Wednesday for their work in the development of metal-organic frameworks that dates back to 1989.The Nobel Committee said that the three laureates “developed a new form of molecular architecture.”“They have created molecular constructions with large spaces through which gases and other chemicals can flow,” the committee said.Hans Ellegren, secretary general of the Royal Swedish Academy of Sciences,...