Ever wish there was a guest lecturer to help you explain the origins of life? Invite Mr. Anderson into your room with this 14-minute video lecture that describes the origins of life, age of the earth, and how scientists know what they do...

Watch how paleontologists scour the Gobi Desert to find fossils that fill in a gap in the fossil record. How big did dinosaurs get during the Jurassic period? Get your class thinking about these questions and more with this short clip....

What were the advantages the Union had over the Confederacy? What were the advantages the Confederacy had over the Union? Compare the advantages of each side, and discuss who you'd think would win the war based on the information...

The conclusion of this excellent four-part series brings modern quantum mechanics and theoretical physics into the conversation of time. Coming full circle from the music employed as an allegory of time, we return to the piano,...

In vitro and sonogram pictures from four through thirty-seven weeks are shown in a slide show as music plays in the background. Baby and toddler pictures wrap up the presentation. Incredible imaging is captured and displayed in this...

Looking to give your class a brief overview of Andrew Jackson? Learn about his early life, his accomplishments while in presidency, and his death. This is just a quick overview!

Watch the distillation process as a female narrator explains what is happening. Ideally you would demonstrate this process or have advanced classes work in lab groups to perform it themselves. If time is short or materials not available,...

Enhance your science lesson on the immune system with this short video. It presents a 3D-animation of an antibody immune response. This is a great video to watch multiple times: all the way through, and then again while pausing and...

How have linguists and archaeologists been able to decode the Mayan written language? We find that the Mayan numeric system was the first clue into Mayan language. Part three in this four-part series also touches upon Mayan astronomy and...

Yossarian the Grammarian describes the infinitive as either an adjective, adverb, or noun. A sentence is given for each example on the whiteboard, comparing the infinitive to other adjectives, adverbs, and nouns so that the function of...

Cute animations and an animated narrator lead young physicists through kinetic energy calculations. The law of conservation of energy is also explored. The quality of visuals is somewhat blurry, but because of the enthusiasm and clarity,...

This student produced video is quite good! In three and a half minutes, she takes viewers through a brief history of farming on our planet. She also gets into early dwellings and early tools. Impressive!

If you wrap wire around a screw and run an electric current through it, you create an electromagnet. What once had no magnetic pull is then able to pick up other metal materials. Marshall Brain demonstrates this for the camera in the...

Now that we understand what the Chinese Government does to keep its currency artificially suppressed, Sal explores what might happen if they were to allow a free floating exchange against the dollar. He outlines the hypothetical ripple...

Now that scholars understand more of currency imbalance and artificially suppressed currency, Sal discusses motivations of the different actors. He briefly touches on the difficulty of unwinding a cycle like this once it has begun....

Learners are introduced to fluctuating currency exchange rates and the role therein of supply and demand. They understand the inverse relationship between supply and price based on these concepts, and view a hypothetical scenario...

After watching the videos on foreign exchange and trade, your scholars may be wondering how exactly American debt purchasing has led to lower interest rates. Here's their answer. Sal reviews the Chinese investment cycle in US treasuries,...

Sal uses numeric expansion to show the process of subtracting four-digit numbers. For example, he expands the number 6004 and writes it as 6000+0+0+4 and 2678 as 2000+600+70+8. When he regroups, viewers will be able to see the actual...

Provide your class with a developmentally sound way to view four-digit subtraction. Sal uses strong visual aids to show what each step in the subtraction process literally represents. Everyone will be able to see the mathematical process...

Taking a closer look at addition and subtraction using simple problems, a math video explores the terminology used to describe these processes. The instructor uses visual means to describe what these processes entail. Use it as a way to...

Sal provides a series of numbers for viewers to consider. They must attempt to identify the number pattern and predict the next two numbers in the sequence. The video contains various problems involving place value and pattern...

Have your class work through a series of exercises focused on number patterns with place value. Present each problem, allow your class to work through each one, and then show them what Sal did to solve each problem. Every problem is...

Through a review of reading and writing numbers to 10,000, learners explore this key concept. The instructor also leads a discussion of number progression. By using visual cues and brilliant colors, Sal makes it easy to understand how to...

By working through word problems involving subtraction, using numbers in the hundreds, the instructor uses visual cues to help viewers understand how to solve the problem. The instructor's method for solving the problem involves graphics...