TED-Ed
TED-Ed: How is power divided in the United States government? - Belinda Stutzman
Articles I-III of the United States Constitution allow for three separate branches of government (legislative, executive, and judicial), along with a system of checks and balances should any branch get too powerful. Belinda Stutzman...
TED Talks
TED: 3 myths about racism that keep the US from progress | Candis Watts Smith
Racism morphs, spreading and hiding behind numerous half-truths and full-blown falsities about where it lives and who embodies it. In this actionable talk, political scientist Candis Watts Smith debunks three widely accepted myths about...
MinutePhysics
How lasers work (in theory)
How does a laser really work? It's Bose - Einstein statistics! (photons are bosons)
TED Talks
Nandan Nilekani: Ideas for India's future
Nandan Nilekani, the visionary co-founder of outsourcing pioneer Infosys, explains four brands of ideas that will determine whether India can continue its recent breakneck progress.
Curated Video
Election Basics: Crash Course Government and Politics
This week Craig is going to give you a broad overview of elections in the United States. So as you may have noticed, there are kind of a lot of people in the U.S, and holding individual issues up to a public vote doesn't seem...
TED-Ed
TED-Ed: Does your vote count? The Electoral College explained - Christina Greer
You vote, but then what? Discover how your individual vote contributes to the popular vote and your state's electoral vote in different ways--and see how votes are counted on both state and national levels.
TED Talks
Will Hurd: A wall won't solve America's border problems
"Building a 30-foot-high concrete structure from sea to shining sea is the most expensive and least effective way to do border security," says Congressman Will Hurd, a Republican from Texas whose district encompasses two times zones and...
TED-Ed
Who decides how long a second is? | John Kitching
In 1967, researchers gathered to answer a long-running scientific question: just how long is a second? It might seem obvious at first. A second is the tick of a clock, the swing of a pendulum, the time it takes to count to one. But how...
Crash Course
The Stono Rebellion Crash Course Black American History
Enslaved people resisted their condition in a range of different ways. Oftentimes those ways were small and personal. There were also times when that resistance took on larger, more dramatic forms, like with slave uprisings and...
TED-Ed
TED-Ed: How polarity makes water behave strangely - Christina Kleinberg
Water is both essential and unique. Many of its particular qualities stem from the fact that it consists of two hydrogen atoms and one oxygen, therefore creating an unequal sharing of electrons. From fish in frozen lakes to ice floating...
TED Talks
TED: A close-to-home solution for accessible childcare | Chris Bennett
Childcare needs a transformation -- but rather than investing billions in new buildings and schools, what if we could unlock the potential of people already nearby? Entrepreneur Chris Bennett offers an innovative way to tackle the...
SciShow
Why Is It So Hard to Remember Things Right Now?
If you feel like you’ve been more forgetful than normal recently, you’re definitely not alone. Your memory can have a lot to do with what's happening around you.
TED-Ed
A brief history of divorce | Rod Phillips
Formally or informally, human societies across place and time have made rules to bind and dissolve couples. The stakes of who can obtain a divorce, and why, have always been high. Divorce is a battlefield for some of society's most...
TED-Ed
TED-Ed: The fight for the right to vote in the United States - Nicki Beaman Griffin
In the United States today, if you are over eighteen, a citizen, and the resident of a state, you can vote (with some exceptions). So, how have voting rights changed since the first election in 1789? Nicki Beaman Griffin outlines the...
Crash Course
The Constitution, the Articles, and Federalism Crash Course US History
In which John Green teaches you about the United States Constitution. During and after the American Revolutionary War, the government of the new country operated under the Articles of Confederation. While these Articles got the young...
TED Talks
TED: 3 questions to ask yourself about everything you do | Stacey Abrams
How you respond after setbacks is what defines your character. Stacey Abrams was the first black woman in the history of the United States to be nominated by a major party for governor -- she lost that hotly contested race, but as she...
TED Talks
We need to talk about an injustice - Bryan Stevenson
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. In an engaging and personal talk -- with cameo appearances from his grandmother and Rosa Parks -- human rights...
Crash Course
Contractarianism: Crash Course Philosophy
Today we explore the penultimate ethical theory in this unit: contractarianism. Hank explains Hobbes’ state of nature, and implicit and explicit contracts, as well as the Prisoner’s Dilemma, and the benefits, and costs, of violating...
TED Talks
TED: Education is a fundamental right for every child | Makhtoum Abdalla
For children growing up in refugee camps, education is a powerful tool of liberation. In this inspiring talk, Makhtoum Abdalla, displaced as a child in Sudan and now living with his family in the Otash camp in Darfur, shares his biggest...
Crash Course
Democracy, Authoritarian Capitalism, and China: Crash Course World History 230
In which John Green teaches you about the end of World History, and the end of the world as we know it, kind of. For the last hundred years or so, it seemed that one important ingredient for running an economically successful country was...
Crash Course
Politics: Crash Course Sociology
While politics is generally seen as the domain of a civics class (and Craig did a great job of teaching US Government & Politics elsewhere on this channel!) it’s something that sociology is interested in too. Today we’re looking at the...
TED Talks
Anne Milgram: Why smart statistics are the key to fighting crime
When she became the attorney general of New Jersey in 2007, Anne Milgram quickly discovered a few startling facts: not only did her team not really know who they were putting in jail, but they had no way of understanding if their...
TED Talks
Fredy Peccerelli: A forensic anthropologist who brings closure for the "disappeared"
In Guatemala's 36-year conflict, 200,000 civilians were killed — and more than 40,000 were never identified. At the Forensic Anthropology Foundation of Guatemala, Fredy Peccerelli and his team use DNA, archeology and storytelling to help...
Bozeman Science
Catalysts
Paul Andersen explains how catalysts can speed up a reaction without being consumed in the reaction. Catalysts can lower the activation energy of reaction be stabilizing the transition state. They can also create new reaction pathways...