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Lecture 18 - Paradise XV, XVI and XVII, Dante’s Inferno, Purgatory and Paradise Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 This lecture focuses on the cantos of Cacciaguida (Paradise XV-XVII). The pilgrim’s encounter with his great-great grandfather brings to the fore t...

Lecture 16 - Paradise IV, VI and X, Dante’s Inferno, Purgatory and Paradise Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 This lecture deals with Paradise IV, VI and X. At the beginning of Paradise IV, the pilgrim raises two questions to which the remainder of the can...

Lecture 12 - Purgatory XIX, XXI and XXII, Dante’s Inferno, Purgatory and Paradise Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 This lecture deals primarily with Purgatory XIX, XXI and XXII. The ambiguity of the imagination discussed in the preceding lecture as the selfsame...

Lecture 14 - Purgatory XXX, XXXI and XXXIII, Dante’s Inferno, Purgatory and Paradise Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 This lecture deals with Dante’s representation of the Earthly Paradise at the summit of Mount Purgatory. The quest for freedom begun under the aegi...

Lecture 8 - Inferno XXX, XXXI, XXXII, XXXIII andXXXIV, Dante’s Inferno, Purgatory and Paradise Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 The final cantos of Inferno are read with a view to the role of the tragic within Dante’s Comedy. Using Dante's discussion of tragedy in t...

Lecture 9 - Purgatory I and II, Dante’s Inferno, Purgatory and Paradise Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 In this lecture, Professor Mazzotta introduces Purgatory and proceeds with a close reading of Cantos I and II. The topography of Mount Purgatory i...

Lecture 13 - Purgatory XXIV, XXV and XXVI (Guest lecturer Professor David Lummus), Dante’s Inferno, Purgatory and Paradise Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 Guest lecturer Professor David Lummus discusses Purgatory XXIV-XXVI. On the terraces of gluttony and lust, the pilgrim’s encounters with masters o...

Lecture 11 - Purgatory X, XI, XII, XVI and XVII, Dante’s Inferno, Purgatory and Paradise Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 In this lecture, Professor Mazzotta moves from the terrace of pride (Purgatory X-XII) to the terrace of wrath (Purgatory XVI-XVII). The relationsh...

Lecture 7 - Inferno XXVI, XXVII and XXVIII, Dante’s Inferno, Purgatory and Paradise Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 Professor Mazzotta begins this lecture by recapitulating the ambivalent nature of Ulysses' sin and its relevance to Dante’s poetic project...

Lecture 6 - Inferno XIX, XXI, XXV and XXVI, Dante’s Inferno, Purgatory and Paradise Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 This lecture deals primarily with Cantos XIX and XXVI of Inferno. Simony, the sin punished in Inferno XIX, is situated historically to point out t...

Lecture 7 - Demographic Transition in Europe; Mortality Decline, Global Population Growth Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 European populations grew only slowly during the period 1200-1700; factors include disease and wars. Human feces and rotting animal remains were no...

Lecture 35 - Understanding Molecular Structure and Energy through Standard Bonds, Organic Chemistry Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 Although molecular mechanics is imperfect, it is useful for discussing molecular structure and energy in terms of standard covalent bonds. Analysi...

Sex Allocation Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 Sex allocation is an organism’s decision on how much of its reproductive investment should be distributed to male and female functions and/or offsp...

Lecture 24 - Population and the Environment, Global Population Growth Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 World population will continue to rise until at least 2050. Environmental impact is the product of the number of people and how much of their incom...

Lecture 18 - Roman North Africa: Timgad and Leptis Magna, Roman Architecture Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 Professor Kleiner discusses two Roman cities in North Africa: Timgad and Leptis Magna. Timgad was created as an entirely new colony for Roman army ...

Lecture 34 - Mating Systems and Parental Care, Evolution, Ecology and Behavior Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 Mating systems and parental care vary tremendously from species to species. Every species differs in how it protects its young from predators and p...

Lecture 6 - Malthusian Times, Global Population Growth Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 In many regions, the central cultural idea is that of a lineage, a family and its line of male ancestors and descendants. The prime duty in these ...

Species and Speciation Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 Speciation is the process through which species diverge from each other and/or from a common ancestor. There are several definitions of species, m...

Lecture 33 - Evolutionary Game Theory: Fighting and Contests, Evolution, Ecology and Behavior Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 The economic concept of game theory can be readily applied to evolution and behavior. By analyzing encounters between organisms as a mathematical "...

Lecture 5 - Why Is Africa Different?, Global Population Growth Channel: ACADEMIC EARTH Length: 0 Date: November 03, 2009 In addition to cultural controls acting to maximize fertility, there are important, and often competing, interests of individual families to limit...

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