One key to improving and expanding your math potential--whether you're a corporate executive or a high-school student--lies in the powerful ability to perform mental math calculations. Solving basic math problems in your head is a gateway to success in understanding and mastering higher mathematical fields such as algebra, statistics, and calculus. Mental mathematics also is valuable when you're shopping for groceries or figuring out how much to tip...

These 24 half-hour lectures on cooking is designed to boost your confidence in the kitchen and help you create meals that you are proud to share.

"Get a quick, easy, and comprehensive guide to the fundamentals of baking like a professional with The Everyday Gourmet: Baking Pastries and Desserts. These six lessons invite you to join Chef Stephen L. Durfee, an award-winning pastry chef and instructor from the famed Culinary Institute of America, as he demonstrates tried-and-true methods for baking everything from simple cookies and cakes to custards, cream puffs, and chocolate mousse. Filmed...

Learn chess from an international master and renowned teacher in these intensively illustrated, easy-to-understand lessons for players at all levels. Jeremy Silman is an International Master and a world-class chess teacher, writer, and player who has won the U.S. Open, The National Open, and the American Open.

Examines some puzzling aspects of human nature that have intrigued scientists and laypeople alike. Relying on the latest theories and research from psychology, neuroscience and other behavioral sciences, each lecture addresses a provocative question about human behavior.

Thirty lectures on geometry presented by James Noggle, math instructor at Pendleton Heights High School in Pendleton, Indiana and recipient of the Tandy Technology Scholar Award for academic excellence in mathematics, science, and computer science. Topics covered in lectures: postulates; proofs; triangles; congruence and similarity; parallel lines; quadrilaterals; right triangles; circles; area; coodinate geometry; solids; constructions; and introduction...

In these 24 highly enjoyable lectures, National Geographic takes you into the multifaceted world of birding, focusing on the astonishing range of bird species in North America. With its wide spectrum of wildlife habitats, North America is an endless region of interest for birders from around the world. Within the course, you'll make an in-depth study of bird identification, covering bird size, shape, and color, flight patterns, geographic range, habitats,...

"This course explores the history, development, and evidence base for an approached called biopsychosocial medicine, in which biology, psychology, and sociocultural factors are examined as both independent and interactive contributors to heath and disease."--page 1 of course guidebook.

This is your ticket to capturing the beauty and awe of any scene, anywhere in the world. Filled with practical tips, techniques, and field demonstrations, this course, taught by National Geographic photographer Joel Sartore, helps you learn to see the world through the eyes of a professional photographer, so you can take compelling travel photographs worth framing and sharing.

"Understanding the connections between music and mathematics helps you appreciate both, even if you have no special ability in either field--from knowing the mathematics behind tuning an instrument to understanding the features that define your favorite pieces. By exploring the mathematics of music, you also learn why non-Western music sounds so different, gain insight into the technology of modern sound reproduction, and start to hear the world around...