The Secret Lives of MoleculesWhat happens when you really get under the skin of the world around you? Everything that surrounds usand we ourselvesare made of molecules, constructed from a limited set of elements that can combine to form an almost limitless kaleidoscope of possibilities. Dr Kathryn Harkup reveals the inner lives of the invisible molecules that make up our world, ranging from the fundamental to the frivolous; via the psychedelic effects of caffeine to the deadly