Dr. Priyamvada Natarajan is a cosmologist and theoretical astrophysicist from Yale University, specializing in dark matter, dark energy, and black holes. Her current job is to 'map' Dark Matter and her new book provides a tour of the “greatest hits” of cosmological discoveries—the ideas that reshaped our universe over the past century. More at http://abeautifulworld.butlerconsulting.com/stories/maping-the-heavens/