This video will explain the way in which Greece became a direct democracy and the problems that the system created for the Greek people.

This video discusses what biodiversity is and its overall importance in ecosystems. The video will also discuss different factors that can decrease biodiversity.

A video explaining how embryology, anatomy, and genetics can be used as evidence for evolution.

“Surface Area” will show the proper methods of acquiring the surface areas of different shapes.

Equations with Fractions demonstrates how to solve one-step equations by using reciprocals when the coefficient of the variable is a fraction.

“Domain and Range” explains when a relation is a function. The video also describes how to determine the domain and range of a given function.

A video entitled “Historical Sources” identifies the differences between primary and secondary sources and discusses how these sources can be used to study the past.

A video entitled "Whig and Democratic Parties" compares the Whig and Democratic Parties in the United States during the mid-nineteenth century.

This video will explain the interconnected cycles of Earth—lithosphere, atmosphere, hydrosphere, and biosphere—and how they work together.

“Ocean Floor Features” will examine the different types of features in the ocean, primarily on the ocean floor.

In this video, you will learn how to choose the most relevant sources when researching a topic for a research paper. We will define types of sources and discuss strategies for determining relevance.

Test the limits of the New Deal and the power of the Federal Government with this historic Supreme Court Case.

Misbehavior, rowdy kids, foul language have destroyed teachers.... in this video I go over my top ten rules when discussing classroom management. You won't find these in a college edu textbook. Subscribe to HipHughes History, it's stupid...

This video explains the science behind sweating, including why some people sweat more or less than others, and the medical conditions of hyperhidrosis and anhydrosis. It also debunks the myth that sweat causes body odor and provides tips...

This video explores the raw materials from around the Empire helped fire the Industrial Revolution, this video takes a look at what was traded and with whom.

Strong C-O Bond Oxidations with Jones Reagent & KMnO4

Weak C-O Bond Oxidations With PCC, DMP, etc.

An overview of the different types of gas used during WW1 together with the developments of gas masks and hoods to protect soldiers.

A blue sky and fluffy bright clouds are things that are seen around the world. The atmosphere presents a multitude of sights and phenomena using light, air, water droplets, ice crystals, and dust. Many of the phenomena give clues to...

William Harvey introduces himself and talks about his early years and his discoveries.

A veteran sailor recounts Captain Cook's final voyage aboard HMS Resolution.

A description of King Charles I.  How he became King, what he was like as a man and his marriage to Henrietta Maria. 

Across North America, Indigenous languages are at risk of disappearing. “When you don’t know your language or your culture, you don’t know who you are,” says Armand McArthur, one of the last fluent Nakota speakers in Pheasant Rump First...

Emmeline Pankhurst explains the Cat and Mouse Act.