Two researchers from the University of Copenhagen in Denmark and the University of British Columbia in Canada have made an accidental breakthrough in the fight against cancer, described in the scientific journal Cancer Cell.

The discovery is revolutionary and could lead to a cure for anything from brain tumor to leukemia.

Ali Salanti, in Denmark, and Mads Daugaard, in Canada, were trying to find a vaccine against malaria for pregnant women. The breakthrough came when they compared the carb...