For thousands of years, long before there was such a thing as a science of chemistry, people were fascinated by plants, because they knew that plants contained substances that could affect people. Coffee will keep you awake. Tobacco contains something… — Gregory Petsko Copy Share Image
“At first, he talked about the flowers in the garden behind his country house in Surrey. His voice still had its Midlands accent but was soft now and barely audible. He knew the plants by name and took a few… — Frederick Weisel Copy Share Image
