The question of whether processing speed, working memory, and fluid reasoning skills can be developed through intentional efforts is an area of active debate among cognitive psychologists. (educationnext.org)
There is active debate among scientists regarding whether the surface of water is more or less acidic than the bulk of water. (sciencedaily.com)
Much of the passive vs. active debate involves a fair amount of smoke and mirrors. (mindfullyinvesting.com)