This 10-minute video lesson discusses chronometry and the relatively recent changes in …
This 10-minute video lesson discusses chronometry and the relatively recent changes in our ability as a species to shine light on our deep past. [Cosmology and Astronomy playlist: Lesson 81 of 85]
This 13-minute video lesson discusses collective learning and how symbolic language drives …
This 13-minute video lesson discusses collective learning and how symbolic language drives collective learning and how this is one of the truly differentiating aspects of human beings relative to the rest of the animal kingdom. [Cosmology and Astronomy playlist: Lesson 82 of 85]
This 12-minute video lesson looks at the structure of the earth. The …
This 12-minute video lesson looks at the structure of the earth. The discussion includes the crust, mantle, core, lithosphere, asthenosphere, mesosphere, outer core, and inner core. [Cosmology and Astronomy playlist: Lesson 50 of 85]
This 4-minute video lesson provides a correction for the time difference calculation …
This 4-minute video lesson provides a correction for the time difference calculation by taking into account that there is no year 0. [Cosmology and Astronomy playlist: Lesson 66 of 85]
This 2-minute video lesson provides a correction for the previous video on …
This 2-minute video lesson provides a correction for the previous video on the radious of the observable universe. [Cosmology and Astronomy playlist: Lesson 9 of 85]
This 10-minute video lesson continues the discussion of cosmic background radiation. It …
This 10-minute video lesson continues the discussion of cosmic background radiation. It looks at the redshift of the cosmic background Radiation. [Cosmology and Astronomy playlist: Lesson 12 of 85]
This 13-minute video lesson presents a framework for thinking about how many …
This 13-minute video lesson presents a framework for thinking about how many detectable civilizations are out there. [Cosmology and Astronomy playlist: Lesson 59 of 85]
This 9-minute video lesson considers why we even care about the Drake …
This 9-minute video lesson considers why we even care about the Drake Equation. It ponders the fraction of a planet's life when a civilization might be detectable. [Cosmology and Astronomy playlist: Lesson 60 of 85]
This 6-minute video lesson takes a shot at estimating the number of …
This 6-minute video lesson takes a shot at estimating the number of detectable civilizations in the Milky Way Galaxy. [Cosmology and Astronomy playlist: Lesson 62 of 85]
This 13-minute video looks at the development of agriculture and writing in …
This 13-minute video looks at the development of agriculture and writing in the Paleolithic and Neolithic eras of the Stone Age. [Cosmology and Astronomy playlist: Lesson 67 of 85]
This 10-minute video lesson looks at the formation of the Earth which …
This 10-minute video lesson looks at the formation of the Earth which is a the byproduct of a local supernova. [Cosmology and Astronomy playlist: Lesson 38 of 85]
This 8-minute video lesson looks at Firestick Farming and how the indigenous …
This 8-minute video lesson looks at Firestick Farming and how the indigenous Australians used fire to change their environment. [Cosmology and Astronomy playlist: Lesson 76 of 85]
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