Constructing an investment where an investor gets the same upside while the program limits the downside. Created by Sal Khan.
Quantifying the value of the put option. Created by Sal Khan.
A better way to solve the "liquidity" and "price discovery" problem. Created by Sal Khan.
Introduction to gel electrophoresis. How it's used to separate DNA fragments or other macromolecules.
Generalizing a linear consumption function as a function of aggregate income. Created by Sal Khan.
An overview of Generational and lifecycle effects on political ideology.
Learn how chance events can alter allele frequencies in populations, particularly when the populations are small, via genetic drift, the bottleneck effect, and the founder effect. Created by Sal Khan.
An overview of how the Mongol Empire, founded by Genghis Khan in 1206, eventually becomes the largest contiguous empire in world history before splitting formally into the Yuan Dynasty, Golden Horde, Chagatai Khanate and Ilkhanate.
Italian and German Empires in 1914. Tsingtao beer. Created by Sal Khan.
Gerrymandering and its history.
Series A funding from a seed venture capitalist. Created by Sal Khan.
Gilded Age versus Silicon Valley. A discussion with Sal Khan.
Learn how the Gini coefficient can be used to interpret income inequality in this video.
More on the series A financing. Going back for another round with a series B financing. Created by Sal Khan.
The Abbasid Caliphate becomes a center of learning from the 9th to the 13th centuries, collecting the knowledge of India, China and ancient Greece while also making significant new contributions to mathematics, astronomy, philosophy, medicine and geography.
How a change in fiscal policy shifts the IS curve. Created by Sal Khan.
See how changes in costs affect cost curves in this video.
This video shows how to graph marginal cost, average variable cost, and average total cost. The relationship between these curves at important points is also explored.
Learn how to calculate gravitational potential energy when we can no longer assume the gravitational field is uniform.
Why do astronauts appear weightless despite being near the Earth? Created by Sal Khan.