This video lecture looks at the painting techniques of Jackson Pollock: "One: Number 31, 1950". Abstract Expressionist New York. The Museum of Modern Art, October 3, 2--April 11, 2011. Filmed by Plowshares Media Images courtesy of Pollock-Krasner Foundation/Artists Rights Society (ARS), New York; and The Museum of Modern Art, New York. Music by Chris Parrello Chris Parrello, Ian Young, Kevin Thomas, Ziv Ravitz.

This art history video discussion examines Polykleitos' "Doryphoros (Spear-Bearer)," Roman marble copy after a Greek bronze original from c. 450-440 B.C.E. (Museo Archaeologico Nazionale, Naples).

This art history video discussion looks at Pontormo's "Entombment (or Deposition from the Cross)", oil on panel, 1525-28 (Capponi Chapel, Santa Felicita, Florence).

This art history video discussion looks at Georges Seurat's "A Sunday on La Grande Jatte" - 1884, 1884-86, oil on canvas (The Art Institute of Chicago).

This art history video discussion looks at Nicolas Poussin's "Landscape with Saint John on Patmos", 1640, oil on canvas (Art Institute of Chicago).

This art history video discussion looks at Fra Andrea Pozzo's "Glorification of Saint Ignatius" ceiling fresco in the nave of Sant'Ignazio, Rome, 1691-1694.

This art history video discussion examines Andrea Pozzo's Saint Ignatius Chapel in the left transept of the church, Il Gesه‌, Rome (commissioned in 1695). Many artists contributed including Alessandro Algardi, Pierre Legros, Bernardino Ludovisi, Il Lorenzone and Jean-Baptiste Theodon. Materials include bronze, gold, silver, and many semiprecious stones most notably lapis lazuli.

This 15-minute video lesson gives an example involving the preimage of a set under a transformation. It also gives a definition of kernel of a transformation.

The addition rule for probability is explained using Venn Diagrams. [Probability playlist: Lesson 3 of 29]

This lesson is a birthday problem that determines the probability that at least 2 people in a room of 30 share the same birthday. [Probability playlist: Lesson 17 of 29]

This lesson presents an example of dependent probability. [Probability playlist: Lesson 10 of 29]

This lesson presents an example of dependent probability. [Probability playlist: Lesson 11 of 29]

This lesson begins a six part series of basic probabiltiy using module examples. [Probability playlist: Lesson 4 of 29]

This lesson demonstrates probability using combinations and shows the probability of getting exatly 3 heads in 8 flips of a fair coin. [Probability playlist: Lesson 14 of 29]

This lesson is another demonstration of probability and combinations to determine the probability of making at least 3 out of 5 basketball free throws. [Probability playlist: Lesson 15 of 29]

This lesson uses playing cards and Venn Diagrams to explain the idea of probability [Probability playlist: Lesson 2 of 29]

This lesson shows how an insurance company uses probability to determine a person's chances of dying. [Probability playlist: Lesson 18 of 29]

Proof: Any subspace basis has same number of elements. Created by Sal Khan.