South Africa’s pioneering winemaker, a driving force behind the country’s new wave of winemaking, talks research, instinct ...

Green and red are the colors of life: green for the chlorophyll in plants, red for the hemoglobin in blood cells of man and animal. That red-blooded human beings must eat green leaves, every housewife ...

Scientists have known for almost two centuries that plants, in one of nature’s most mysterious processes, use sunlight to make sugar, fats and other high-energy chemicals out of water and carbon diox ...