Khan Academy on a Stick
Cosmology and astronomy
Videos attempting to grasp a little bit about our Universe (many of the topics associated with "Big History")
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Scale of the universe
(20 videos)
Things in our universe can be unimaginably large and small. In this topic, we'll try to imagine the unimaginable!
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Stars, black holes and galaxies
(21 videos)
Our universe is defined by stars. This topic explores how they came to be and where they end up. This includes a discussion of black holes and galaxies.
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Earth geological and climatic history
(21 videos)
What is the Earth made up of and how do we know? What causes the seasons? Are there longer-ranging cycles in Earth's climate?
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Life on earth and in the universe
(25 videos)
When and how did life emerge on Earth? How did humanity develop a civilization? Is there other intelligent life out there?