What killed George Washington? Turns out it was probably related to the bloodletting and other 18th-century medicine his doctors applied.

Throughout history, people have been trying to figure out how our bodies work and how to fix them when things go wrong. This has led to some ideas that, with the benefit of hindsight, seem very strange

Between 1927 and 1941, workers blasted 450,000 tons of rock from a mountainside using chisels, jackhammers, and dynamite. Gradually, they carved out Mount Rushmore. Today, the monument draws nearly 3 million people to South Dakota's...

Historian Doris Kearns Goodwin talks about what we can learn from American presidents, including Abraham Lincoln and Lyndon Johnson. Then she shares a moving memory of her own father, and of their shared love of baseball.

The hard choices -- what we most fear doing, asking, saying -- are very often exactly what we need to do. How can we overcome self-paralysis and take action? Tim Ferriss encourages us to fully envision and write down our fears in detail,...

Today we continue our exploration of the Water Cycle by drinking some dinosaur pee. Yep! Well, it's a little less gross that it sounds. It turns out that all of the water on Earth is just constantly recycled in what we call a closed...

Artist R. Luke DuBois makes unique portraits of presidents, cities, himself and even Britney Spears using data and personality. In this talk, he shares nine projects -- from maps of the country built using information taken from millions...

Today Craig finishes up our series on U.S. Government and Politics by talking about both the least and most important aspect of government: foreign policy. Foreign policy is important because it has the potential to affect the largest...

In which John Green teaches you where American politicians come from. In the beginning, soon after the US constitution was adopted, politics were pretty non-existent. George Washington was elected president with no opposition, everything...

In which John Green teaches you about the American Revolution and the American Revolutionary War, which it turns out were two different things. John goes over the issues and events that precipitated rebellion in Britain's American...

In which John Green teaches you about some of the colonies that were not in Virginia or Massachussetts. Old New York was once New Amsterdam. Why they changed it, I can say; ENGLISH people just liked it better that way, and when the...

In which John Green teaches you about the American Revolution and the American Revolutionary War, which it turns out were two different things. John goes over the issues and events that precipitated rebellion in Britain's American...

New ReviewVisit Monmouth Battle state park in New Jersey to learn about one of the largest battles of the American Revolution.

New ReviewTravel to the Paoli Battlefield Historical Park in Malvern, Pennsylvania to learn about the Paoli Massacre

New ReviewVisit Cliveden Philadelphia to learn about the Battle of Germantown

New ReviewThe Continental Army encamped at Valley Forge during the winter of 1777-78 and came out a formidable. Visit Valley Forge National Historical Park to walk these hallowed grounds.

New ReviewVisit Yorktown, Virginia to see the decisive battle of the American Revolution

New ReviewVisit Washington Crossing Historic Park in Pennsylvania to learn how George Washington and the Continental Army won the Battle of Trenton.

The British government's response to the Boston Tea Party includes the Intolerable Acts, which aim to isolate Boston but instead unite the colonies. The First Continental Congress meets to discuss these issues, resulting in a Declaration...

Mr. Beat goes through the five most lopsided presidential elections in American history.

The Fourth of July, also known as Independence Day, marks the adoption of the Declaration of Independence in 1776, when the American colonies formally declared their separation from British rule. Celebrated with fireworks, parades, and...

Join the Continental Army at Valley Forge during the long, cold winter of 1777–78. General George Washington and his soldiers faced freezing temperatures, hunger, and hardship—but they didn’t give up. With training from Baron von...

The American and French Revolutions change the power dynamics of the world. Part 2 of our educational timeline of History's Greatest Revolutions.

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