In the waters off Iwo Jima, a volcanic island in Japan’s Satsuma archipelago, the sea has a distinct green tint. It’s not ...

As soon as the first rays of sunshine appear, a reflex takes hold. We put away the winter soups, look at the young shoots, dream of crisp salads, fresh herbs and green peas. Like a visceral urge to ...

THE fat-soluble pigments (lipochromes ... is invariably found with chlorophyll in all green foliage, being also associated with another yellow consitituent to which the name xanthophyll was ...