Jazz is a uniquely American art form, one of America's great contributions to not only musical culture, but world culture, with each generation of musicians applying new levels of creativity that take the music in unexpected directions that defy definition, category, and stagnation. Now you can learn the basics and history of this intoxicating genre in an eight-lecture series that is as free-flowing and original as the art form itself.

Cosmos is one of the bestselling science books of all time. In clear-eyed prose, Sagan reveals a jewel-like blue world inhabited by a life form that is just beginning to discover its own identity and to venture into the vast ocean of space.

Bach, Vivaldi, and Handel are the three great composers of the Baroque era, though there are many other well-known figures, including Albinoni, Pachelbel, and Scarlatti. This engaging introduction, interspersed liberally with music, shows how the works of these composers graced the courts and churches of Europe from 1600 to 1750. It is a fascinating story.

The science of emotion is in the midst of a revolution on par with the discovery of relativity in physics and natural selection in biology. Leading the charge is psychologist and neuroscientist Lisa Feldman Barrett, whose research overturns the long-standing belief that emotions are automatic, universal, and hardwired in different brain regions. Instead, Barrett shows, we construct each instance of emotion through a unique interplay of brain, body, and culture.

The renowned biologist Paul Nurse has spent his career revealing how living cells work. In What Is Life?, he takes up the challenge of describing what it means to be alive in a way that every listener can understand. It is a shared journey of discovery; step-by-step Nurse illuminates five great ideas that underpin biology - the Cell, the Gene, Evolution by Natural Selection, Life as Chemistry, and Life as Information.