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PBS
Pbs Learning Media: Glaciated Landscape
In this video from Nature, learn about the many different features and effects of glaciers in Ireland. [1:13]
Khan Academy
Khan Academy: Ancient: Aristotle on the Purpose of Life
In this video, a philosphy student explores an approach to the question "What is the purpose of life?" developed by the Greek Philosopher Aristotle (384-322 BC). [9:07]