The ordinary atoms that make up the known universe, from our bodies and the air we breathe to the planets and stars, constitute only five percent of all matter and energy in the cosmos. The rest is known as dark matter and dark energy, because their precise identities are unknown. The Cosmic Cocktail is the inside story of the epic quest to solve one of the most compelling enigmas of modern science: what is the universe made of? Freese is Professor of Physics at the University of Michigan and one of today’s foremost pioneers in the study of dark matter.