Cross sections of C3 rice (left) and C4 sorghum (right) shoots. Both grain crops evolved from a common ancestor, but sorghum evolved to photosynthesize more efficiently. LA JOLLA (November 20, ...
Over billions of years, plants mastered the art of photosynthesis, but some took it a step further. While most crops like rice still rely on the older, less efficient C3 process, others like corn and ...