John Hendricks, founder of the Discovery Channel and CuriosityStream, explores the largest numbers in the Universe and describes how the average person might be able to comprehend their scale. How can a normal person understand "quadrillion" in real terms?

Harvard professor and best-selling author, Dr. Lisa Randall, simplifies and expounds upon some of modern physics' most basic questions. What is dark matter and dark energy? What is the fundamental nature of space and time? What do we not know yet about the universe and its fundamental properties?

As the director of one of a world renowned institute for scientific research -- the Institute for Advanced Study -- Robbert Dijkgraaf is a pioneer in the field of mathematical physics. This string theory specialist draws from his experiences to elucidate current advances in physics.

Sheryl WuDunn, a best-selling author and Pulitzer Prize-winning journalist, illuminates the economic, financial, political and social issues in East Asia and around the world, and the economic and political uncertainties facing China today.

Dr. Nancy Etcoff, a leading researcher in the field of positive psychology, reveals why it is crucial to understand exactly how our mental and physical health is benefited by emotions like happiness and joy, and how we are affected by anxiety and depression.

The best-selling authors of Super Brain, Dr. Deepak Chopra and Dr. Rudy Tanzi, describe the basic rules about how our brain functions. Your brain always eavesdrops on your thoughts. Can you teach your brain to become unlimited, by thinking that you have that potential?