This highlight is drawn from a lecture on February 8, 2010 by Andrew Rehfeld for the course History of Political Thought: Justice, Virtue and the Soul. The talk focuses on Books 5-7 of Plato's Republic in which Socrates describes the role of women and children and that of the guardians or rulers.
In this brief series of excerpts from both Plate Tectonics lectures, Professor Jennifer R. Smith points out key factors that make tectonics the guiding framework for geosciences and emphasizes its fundamental effect on the architecture and history of our planet along with its influence on the evolution of life.
These highlights are from the talk What is it to be a Human? Perspectives from the Sciences on April 23, 2009, by Professor Ursula W. Goodenough. Unique in our highly developed capacity for language, humans remain closely connected to other life forms in the story of evolution.
In this highlight of the talk Exploring Mars: Environments, Habitability, and Life, on October 30, 2008, Professor Raymond E. Arvidson describes recent robotic missions to Mars which have uncovered proof of the presence of water, a prerequisite for life.
In this brief highlight from the talk Michelangelo: Artist and Aristocrat, on September 4, 2008, Professor William E. Wallace offers several points critical to his presentation of the life of Michelangelo as both a craftsman and patrician.