A deep dive into Article IV of the Constitution, which lays out how federalism, the system of shared governance between states and the federal government, works in practice. In this video, Kim discusses Article IV with scholars Gabriel Chin and Erin Hawley.

A deep dive into Article I of the US Constitution, which describes the roles and powers of Congress. In this video, Kim discusses Article I with scholars Heather Gerken and Ilya Somin.

A deep dive into Article VII, which established the conditions for the ratification of the US Constitution. In this video, Kim discusses Article VII with scholars Mark Graber and Michael Rappaport.

A deep dive into Article VI, which acts as the "glue" of the Constitution, holding together the new United States through a shared commitment to the Constitution's principles. In this video, Kim discusses Article VI with scholars Michael Ramsey and Kermit Roosevelt.

A deep dive into Article V of the US Constitution, which establishes the amendment process. In this video, Kim discusses Article V with scholars Michael Rappaport and David Strauss.

Before the United States had the Constitution, it had the Articles of Confederation, a much weaker government that lasted from 1777 to 1789. In this video, Kim and Leah discuss the pros and cons of the Articles, and the reasons they were discarded in favor of a new Constitution.

An introduction to the Articles of Confederation and its weaknesses. Shays' Rebellion was one of the catalysts for the Constitutional Convention of 1787.

Tiffany and Company’s famous Bryant Vase was meticulously crafted by highly skilled artisans­­—among them, Augustus Saint-Gaudens and Eugene J. Soligny—who worked the silver for more than a year. Curator Ellenor Alcorn describes how Tiffany then used the fascinating nineteenth-century process of electrotyping to create presentation copies. View this work on metmuseum.org. Created by The Metropolitan Museum of Art.

Learn how tapestries were made in the time of Louis XIV and are still made today. Explore the process of tapestry weaving at the Gobelins Manufactory in Paris, where historical techniques dating to the time of Louis XIV are used to make contemporary works of art. Video chapters: Introduction - 0:04 Designing a Tapestry - 1:08 Colorful Threads - 2:17 Preparing a Loom - 4:36 Weaving - 6:15 This video was produced in conjunction with the exhibition "Woven Gold: Tapestries of Louis XIV," on view at the Getty Center, December 15, 2016–May 1, 2016. http://www.getty.edu/art/exhibitions/french_tapestries/.

Ashurbanipal Hunting Lions, gypsum hall relief from the North Palace, Ninevah, c. 645-635 B.C.E., excavated by H. Rassam beginning in 1853 (British Museum). Speakers: Dr. Steven Zucker & Dr. Beth Harris

Gavrilo Princip assassinated Austro-Hungarian Archduke Franz Ferdinand, setting off World War I. Created by Sal Khan.

The battle of Til Tuba reliefs are among some of the great masterpieces of ancient Assyrian art. The movement and details are truly stunning. That said, the scenes actually being depicted are anything but easy on the eye. Join curator Gareth Brereton as he walks you through the reliefs that once decorated the last great king of Assyria's royal palace. WARNING: includes scenes of drowning, flaying and wearing your deceased leader's head as a necklace. DOUBLE WARNING: includes scenes of extreme royal hat misplacement. The BP exhibition I am Ashurbanipal: king of the world, king of Assyria 8 November 2018 – 24 February 2019

Speakers: Dr. Steven Zucker and Dr. Beth Harris. Created by Steven Zucker and Beth Harris.

Explore climate change on a geologic time scale, and consider recent human impacts on climate and the atmosphere. Created by Big History Project.

In this video, David explains how an atom can absorb and emit photons with particular values of energy and how to determine the allowed values.

The difference between atomic weight and atomic mass in chemistry, and how it compares to the physics definitions of weight and mass.

Chemistry is the study of matter, and all matter is made up of atoms. We will learn about elements, atomic number and mass, isotopes, moles (chemistry moles, not the animal), and compounds.