In 1967, Homer Loutzenheuser flipped a switch and connected the power grids of the United States, forming one interconnected machine. Today, the US power grid is the world's largest machine, containing more than 7,300...

This week Jacob and Adriene teach you about marginal analysis, which you're using RIGHT NOW! The video is coming from inside the house! Or something. You'll learn how marginal analysis guides the decision making if cities, nations,...

India's big cities have some of the worst air quality in the world. How can we fix this public health crisis? In an actionable talk, social entrepreneur Arunabha Ghosh lays out a five-step plan to put India on the path to cleaner, safer...

In this video, we'll learn about the life story of journalist, orator, teacher, suffragette, and anti-lynching activist Ida B. Wells-Barnett. Ida B. Wells made her name writing and speaking and working to improve the lives of Black...

During the 1600's, the exotic tulip became a nationwide sensation; some single bulbs even sold for ten times the yearly salary of a skilled craftsman. Suddenly, though, the demand completely plummeted, leaving the tulip market in a...

We have over 600 muscles in our bodies that help bind us together, hold us up, and help us move. Your muscles also need your constant attention, because the way you treat them on a daily basis determines whether they will wither or grow....

Several companies are developing 3D printers that might eventually be able to print organs...in space! What!?

India has a historic opportunity to power its industrialization with clean energy -- and its energy choices will make or break the world's fight against climate change, says clean energy executive, physicist and author Varun Sivaram....

We're headed towards a global food crisis: Nearly 3 billion people depend on the ocean for food, and at our current rate we already take more fish from the ocean than it can naturally replace. In this fact-packed, eye-opening talk,...

By 2100, the UN estimates that the world's population will grow to just over 11 billion people. Architect Vishaan Chakrabarti wants us to start thinking about how we'll house all these people -- and how new construction can fight climate...

In this video Paul Andersen explains how economic models, like supply and demand, can be applied to environmental systems. The market forces will not protect environmental services until proper valuation and externalities are...

Annually, we shower over 5 billion pounds of pesticides across the Earth to control insects, unwanted weeds, funguses, rodents, and bacteria that may threaten our food supply. But is it worth it, knowing what we do about the associated...

In the 1600s, the Dutch East India Company employed hundreds of ships to trade goods around the globe. In order to fund their voyages, the company turned to private citizens to invest money to support trips in exchange for a share of the...

This week we are looking at renewable energy sources and why we need them. We’ll explore hydropower, wind, geothermal, and solar power, as well as some of the challenges, and how engineers are working to make their use more widespread.

In which Adriene Hill and Jacob Clifford teach you about one of the fundamental economic ideas, supply and demand. What is supply and demand? Well, you'll have to watch the video to really understand it, but it's kind of important for...

How much should you get paid for your job? Well, that depends on a lot of factors. Your skill set, the demand for the skills you have, and what other people are getting paid around you all factor in. In a lot of ways, labor markets work...

Learn about the life of Bayard Rustin, a leader in the Civil Rights Movement, a gay rights activist, and one of Martin Luther King’s closest advisors. -- In 1963, Martin Luther King Jr. delivered his “I Have a Dream” speech at the...

Why do people buy the stuff they buy? In classical economics, most models assume that consumers behave rationally. As you've probably noticed in your real life, in case after case, people don't actually make rational decisions. There can...

This video discusses how tax policies in Australia heavily incentivize property investment, leading to high levels of household debt and limited housing supply in desirable areas. The focus on encouraging homeownership rather than...

The video discusses the current challenges facing the U.S. government's fiscal policy, including increasing government debt, tax cuts, and potential consequences on inflation and economic growth. It highlights the intricate relationship...

Customers have a number of needs and wants, but we also need to think about customer demands. This video covers the differences between the three. Customer needs are the basics that a customer needs a product to do,...

In this video, learn about the key characteristics of cloud computing, including scalability, elasticity, and pay-as-you-go services.

Whether it's energy, food or insurance, how much more you'll pay in the future depends a lot on where you live. But because of climate change, virtually no one will get away scot-free. The global economy is remarkably versatile and...

If you've been in the market for a new car in the last couple years, you've probably at least considered an electric vehicle. But tracking all the pros and cons can be daunting, and it seems like there are new technological and policy...