Complex sentence: Odile Jacob is a French publisher who is also a trained scientist, studying the workings of the brain, the mind and thought: to learn what it is that makes us think, act, love, suffer and dream.
Split into simpler sentences: Odile Jacob is a French publisher who is also a trained scientist, studying the workings of the brain, the mind and thought. She seeks to learn what it is that makes us think, act, love, suffer and dream.