When someone mentions spinach, broccoli or kale, do you think YUCK? Why do we need these foods and what would the world be like without them? Much better, right? Wrong! Vegetables provide us with essential vitamins and minerals that make our bodies healthier and stop us from getting sick. Theyre also used to make things like dyes, lotions and adhesives. Learn how vegetables are grown and cultivated, and the often inspired innovations made with such humble foodstuffs as the potato and the carrot.