The difference between atomic weight and atomic mass in chemistry, and how it compares to the physics definitions of weight and mass.

This art history video discussion examines these portraits by August Sander: "Pastry Cook", gelatin silver print, 1928, "Secretary at a Radio Station", Cologne, gelatin silver print, c. 1931, and "Disabled Man", gelatin silver print, 1926.

This art history video discussion looks at the Roman statue of "Augustus of Primaporta", 1st century C.E. (Vatican Museums).

This art history video discussion examines Francis Bacon's "Triptych - August 1972", 1972, oil on canvas, 72 x 61 x 22 in. (183 x 155 x 64 cm), (Tate Modern, London).

This lesson explains leverage and insolvency and why it is good or bad. [Banking, Money, Finance playlist: Lesson 10 of 24]

This lesson provides an analysis of the federal reserve balance sheet as of February 2007. [Banking, Money, Finance playlist: Lesson 21 of 24]

This lesson discusses how open market operations effect the rate at which banks lend to each other overnight. [Banking, Money, Finance playlist: Lesson 14 of 24]

This lesson presents more information on the mechanics of the Federal Funds rate and how it increases the money supply. [Banking, Money, Finance playlist: Lesson 15 of 24]

This lesson talks about the gold standard and is a short discussion on the meaning of wealth. [Banking, Money, Finance playlist: Lesson 17 of 24]

This lesson tells how banks can give out loans without ever giving out gold. [Banking, Money, Finance playlist: Lesson 7 of 24]

This lesson talks about how money is created in a fractional reserve banking system. [Banking, Money, Finance playlist: Lesson 4 of 24]

This lesson explains reserve requirements and how they limit how much lending a bank can do. [Banking, Money, Finance playlist: Lesson 8 of 24]

This lesson introduces bank notes and how you are more familiar with them than you realize. [Banking, Money, Finance playlist: Lesson 5 of 24]

This lesson discusses government debt and treasuries. It explains what it means that Federal Reserve Notes are issued by the Reserve Bank but are not an obligation on the government. [Banking, Money, Finance playlist: Lesson 12 of 24]

This lesson introduces the ways that banks make money. [Banking, Money, Finance playlist: Lesson 1 of 24]

This lesson is an introduction to the income statement of a bank, and to income statements, in general. [Banking, Money, Finance playlist: Lesson 2 of 24]

This lesson discusses the idea of a reserve bank. [Banking, Money, Finance playlist: Lesson 11 of 24]

This lesson discusses the mechnics of repurchase agreements, reposession transactions and loans. [Banking, Money, Finance playlist: Lesson 20 of 24]

This lesson idiscusses how bank notes and checks can be used. [Banking, Money, Finance playlist: Lesson 6 of 24]

This lesson talks about the pros and cons of various banking systems and talks more about using gold as a standard. [Banking, Money, Finance playlist: Lesson 18 of 24]