The Chinese calendar has been in use for more than 4,700 years. And it incorporates the Chinese zodiac, the Yin and Yang, the Five Elements, Chinese astrology and much more. According to this system, this year 2020 is the year gengzi and...

This brief video tutorial covers the anatomy, function and innervation of the parotid gland.

Arteries of the kidneys seen from the anterior view of the right kidney.

Arteries, veins and nerves of the tongue.

Structures seen from the superior view of the base of the skull.

Overview of the muscles responsible for facial expression.

Course and branches of the maxillary branch of the trigeminal nerve.

This nugget explains pressure with its mathematical formula and its applications. The pressure exerted by liquids and gases & atmospheric pressure

Anatomy and branches of the aortic arch.

Understanding the U.S. Constitution: 13. This clip outlines the structure of the U.S. government. It demonstrates how the three branches of government are designed to be separate from one another.

In addition to learning about the structure and characteristics of seeds and plants, this program takes viewers to different locations around the world world. They'll learn about the diversity of plants throughout the various land...

What is space science? What fields does a space scientist study? In this program students will learn that space scientists work in many non-engineering fields including astrophysics, cosmochemistry, planetary geology space weather and...

In the second episode of Supreme Court Briefs, Mr. Beat makes one of the most boring Supreme Court cases in American history somewhat more interesting. It was, after all, QUITE A FREAKING BIG DEAL. Washington, D.C. 1816 The United States...

The American Revolution has ended and America is a free country. As a young country, America has many decisions to make about how it will be run, such as who will have power and lead the country. The Founding Fathers wanted to be careful...

The circulatory system works to transport oxygen and nutrients to cells in your body, while removing waste products (such as carbon dioxide) at the same time. This system is actually a double circulatory system, made of two circuits -...

This is a lecture video on parallel circuits. The video explains the difference between parallel circuits and series circuits and then focuses on investigating parallel circuits in more detail. The video describes how the current flows...

Maha and her best friend Jessie are finally at big school! Maha is thrilled, until… oh dear. Jessie has made lots of new friends. Has she forgotten all about Maha? Join Maha as she learns about friendship trees. Help her discover that we...

Democracy was born when the Athenian government transitioned from the “rule of a few” to the “rule of many”, around 3,000 years ago.

How has the U.S. Constitution endured when it was created over 200 years ago? Why is it still the supreme law of the land today?

The United States Constitution is one of the most important and versatile documents ever written. The articles of confederation, drawn up after the American war of Independence are discussed. The constitutional convention is also...

This video provides an overview of the structure of neurons, the primary cells of the nervous system, and how they come together to form a network. It explains the key components of a neuron, such as the cell body, dendrites, axon, and...

Learn how the President leads the country. This program clearly explains how the President recommends new legislation to the Congress, exercises veto power, the role of his Cabinet, and the President's responsibilities as Commander in...

Created by the founding fathers after much debate, our bicameral Congress, the legislative branch of our government, was a real compromise. In this program students will out why two houses were created in order to ensure equal...

The Supreme Court’s responsibility is to interpret all laws and ensure that they do not conflict with the founding principles of the Constitution. This video provides and overview of the judicial branch particularly The Supreme Court....