Some might say you look a little green when you are sick. Leafy greens actually turn purple — although not obvious to the human eye, it can be seen through advanced hyperspectral imaging (different ...

People have been eating leafy greens since prehistoric times. But it wasn't until the first Africans arrived in North America in the early 1600s that America got its first real taste of dark green ...

“What kind of lettuce was that?” my friend asked. We had some leftover food from taste tests in the refrigerator. She had tried some of the salad. “One of my students made an arugula salad,” I said.