Caffeine and nicotine are two of the most common psychoactive drugs in our society. How do they work? How dangerous are they? After reviewing how each of these drugs affects the brain - and why nicotine in particular is so addictive - Professor Polk offers several strategies to quit tobacco use.

Caffeine and nicotine are two of the most common psychoactive drugs in our society. How do they work? How dangerous are they? After reviewing how each of these drugs affects the brain - and why nicotine in particular is so addictive - Professor Polk offers several strategies to quit tobacco use.

Whether you are searching for the past or want to better understand the world as it is today, travel-even virtually, from the comfort of home-offers a unique opportunity to see the world in new ways. Wander the streets of cosmopolitan London, roam the 1,000-year-old campuses of Oxford and Cambridge, or tour world-famous museums like the Tate Modern and the National Railway Museum. Or maybe you are aiming for a more pastoral adventure, like an expedition...

"This epic travel adventure from The Great Courses and Smithsonian's travel arm, Smithsonian Journeys, delivers a feast of cultural and historical riches."--From container.

Richard Brettell, Professor of Aesthetic Studies at the University of Texas at Dallas, introduces the style, subject, and function of Impressionist painting by artists including Monet, Renoir, Cassatt, Cézanne, Toulouse-Lautrec, and Van Gogh. Explains how Impressionism changed the way that people see the world and examines how these artists documented life in the latter half of the 19th century and provided models of behavior, decorum, and urban...

Twenty-four 30 min. lectures on the Etruscan civilization and the Etruscans' influence on western civilization.

Learn how to read music and play the guitar from a master of the instrument.