This video explains the concept of aggregate demand and how it represents the total expenditure on domestically produced goods and services at different price levels. It also highlights the inverse relationship between the average price...

This video is a lesson on public goods and their characteristics. The video begins by defining and explaining private goods. The video then goes on to define public goods. The video also discusses non-pure public goods, which exhibit...

What counts as work and what doesn't? Nancy Folbre shows how nearly half of all work done in this country is ignored by economists. She argues that we need to create better measures of non-market income, consumption and...

Hemorrhoids are a common condition that are often caused by chronic constipation, which itself is a byproduct of low fiber intake. Once hemorrhoids have developed, certain foods and beverages have been shown to improve symptoms of...

In episode 21, Jordan and Charlie chat about the origins of life, polar bears in the summer time and what it takes to limit energy consumption at home.

The video discusses the main factors that influence the level of consumption and spending patterns within an economy. The presenter explains the concept of consumption, which represents the total amount of money that households spend on...

On Dec. 14, 2010 NASA Goddard researchers will conduct a press briefing at the American Geophysical Union Fall 2010 meeting, entitled, "Satellite Supported Estimates of Human Rate of NPP carbon Use on Land: Challenges Ahead." In the...

Veganism is sweeping the global. So why are more and more people deciding to cut all animal products from their diets – and why could doing so help to save the Earth?

Physics teacher Mark Paricio brings his love of research and his passion for trying new things to his students.  Paricio is a recipient of the 2013 Presidential Award for Excellence in Mathematics and Science Teaching.

Learn the basics of salt and diet when studying the uses of salts within the overall topic of Acids and Bases.

This video focuses on evaluating the macroeconomic concept of trade. The video explains how changes in the AD and SRAS curves affect the current account, balance of payments, and net exports. The impact of a positive AD curve shift on...

The Algae That Saved an Astronaut's Life

7 Scientific Reasons for Low Testosterone Levels in Men and 10 Ways to Increase Testosterone Levels. Low testosterone levels can be caused by many lifestyle factors including dietary choices, stress, sleep habits, and chemical exposures....

Taxation is necessary in order to provide public services like roads, education and health care. But as the world's elderly population grows, and the demand for public services increases, countries will need to reassess how they tax....

How are family life, structure and relationships changing? And to what extent are these changes a consequence of modernity and postmodernity? This film examines these questions in terms of three types of social change: identity,...

This program serves as an introduction to resource sustainability, focusing on the key strategies of resource efficiency, recycling, reusing, and reducing. The long-term impacts of resource use on human health and the environment are...

It lists the commonly abused drugs and alcohols, their chemical compositions and physiological effects.

A quick overview of the FED and monetary policy. Enjoy!