“Factors That Affect Income” discusses various economic factors that affect profit and income, such as inflation, deflation, unemployment, capital goods, human capital, and productivity.

Caltech theoretical physicist and Nobel Laureate David Politzer relates how an open-back banjo is related to an ocarina.

Nobel Laureate Roger Penrose (Oxford) describes two different instances of the Second Law of Thermodynamic: expansion of gases and clumping due to gravity.

A video entitled “NAFTA” which explains the purpose of the North Atlantic Free Trade Agreement.

The Keystone Project explores the Keystone Project and its effects on environment.

Planet PE App- GCSE PE Revision 1 1 1

Plastids and Mitochondria examines energy transformations by describing the fundamental roles of plastids and mitochondria.

A video entitled "Biotechnology and Plants" discusses the meaning of biotechnology and how this new field of technology is used to change the way that farmers grow plants.

Moving on from organisms and populations, the next tier on the scales of ecology is communities. These involve all the populations of organisms of different species that live in an area. How do they interact? How is the community...

The video Video Introduction “Labor Unions” explains how labor unions formed in the United States and discusses the advantages and disadvantages of labor unions.

Hydraulic Fracturing explains what hydraulic fracturing is and why it is a highly controversial process by explaining the advantages and disadvantages of fracking.

Factors Affecting Enzyme Function explains how changes in pH, temperature, and concentration levels can affect enzyme function.

These Top 3 Verbal Communication Barriers will make effective communication and finding common ground more difficult, but look at some simple tips to overcome these barriers.

The Diary of an Italian Slave Trader | Trans-Atlantic Slave Trade, Slavery in the Americas

A polynomial is a sum of one or more terms called monomials. If we think of each monomial as a separate function, then a polynomial function can be thought of as a sum of these monomial functions. In previous lectures we have studied...

The video “Selecting a Change” introduces the concepts of natural and artificial selection and discusses examples of each.

“The Population Puzzle” examines the exponential increase of Earth’s population, as well as the complications and concerns that have resulted from that increase.

In this video, the teacher explains how to solve a real-world math problem involving percent of increase. The problem involves expanding a rectangular patio by increasing the length by 50% and the width by 20%. The teacher walks...

What led to Bacon's Rebellion? How did it end and what were the consequences? All this and more when you click the magic button!

In this short math video we will be comparing linear functions using unit rates & one time fees to answer a standardized math test question. We will consider two different bills with costs incurred for hourly rate (unit rate or slope)...

Donating blood can lead to weight loss, but this loss is not significant. As covered in this video, the average donation is 1 pint of blood, which weighs about 1 pound; so right off the bat, you’re walking out of the donation center 1...

Short answer: Yes, drinking a lot of water will certainly change the pH of the stomach, but this amount is trivial. However, since your stomach is very acidic, to begin with, drinking water will not dilute it significantly. Also, there...

In which Hank talks about why it's cold, and why extreme weather makes us talk about global warming, and why this is precisely the wrong way to think about...average global atmospheric energy increase.

In this video, I talk about the pacemaker potential of the heart. We're going to dig into the SA and AV Nodes, how they work, and what happens when things go wrong.<br/>