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Video: Stan by your land

the -stan countries of Asia and beyond

 

 

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Stan by your land

Stan by your land: the -stan countries of Asia and beyond

  • Description: Central Asia is full of lands whose names end in -stan. A certain powerful North American country has a related name. How? It's not your standard explanation.

Video: How many unique
ancestors do you have?

 

 

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How many unique ancestors do you have?

How many unique ancestors do you have?

  • Description: An attempt to calculate a range for the total number of ancestors we have since the Neolithic Revolution -- not just genetic ancestors, all of them!

Video: Visualizing time using 3D objects

 

 

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Visualizing time using 3D objects

Visualizing time using 3D objects

  • Description: This video shows how to visualize both human and cosmic lengths of time using 3 dimensional objects. Time can be visualized using a scale in which volume represents time. In this video, 1 cubic centimeter equals 1 year.

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