Summer fruit life hack: Put sugar on your watermelon. The dominant sugar in watermelon is sucrose, or ordinary table sugar. The major difference between unripe and properly ripe watermelon is amount of sucrose. Ergo, by sprinkling sugar on the watermelon (note: do cut the thing open and sprinkle on cubes or wedges, not the rind), and waiting 10 minutes for diffusion, it makes it taste riper.…