Plants need nitrogen to grow. Many legumes meet this need through a symbiotic relationship: They harbor bacteria that fix atmospheric nitrogen and make it available to the plant. Until now, it was ...

Certain plants, including legumes, form specialized root organs known as nodules. These plants establish symbiotic relationships with nitrogen-fixing bacteria and utilize atmospheric nitrogen. This ...

In a previous article entitled, "What Are Problems?" we theorized that problems cannot or do not exist—at least, not in the way we've been taught to think about them. Because all we have are ...