There are more than 7,000 languages. Every fortnight one of these will disappear forever. The Economist's language expert Lane Greene explains why.

Tips on how to easily memorize anatomy terms.

We will show how anatomists name muscles.

Solar and lunar eclipse - which is which? And how can you finally remember the difference?

Anatomy and function of the pia mater.

Learn the basics about Carboxylic and Typical acids, and also what are esters and what are they used for? How do all these terms relate to one and other? Find out more in this video!

This video covers Vocabulary, Latin Prefixes, Roots, Suffixes, and how they relate to the SAT. This is part 7 from the series 'Critical Reading & Writing'.

How do scientists get a more accurate idea of weather clouds based on the data they receive from satellites? What are the many different ways a meteorologist can help society?<br/>
Mysterious Weather Clouds, Part 4

This video begins with an example of a simple ionic compound, salt, showing a model and then its chemical name. The video continues with an example of a divalent metal and discusses the oxidation number of the elements in these compounds...

This video discusses the traditional and modern methods of classifying organisms based on their similarities. The video explains that the classification of organisms is essential to understand the relationships between different groups...

This video provides a brief overview of copper, highlighting its unique properties and various uses in different industries. It explores how copper is used in electrical connections, plumbing, industrial machinery, architecture, and the...

In this lesson Mr. P./Marc will explain what prefixes and suffixes are. They are considered very important for vocabulary learning. Mr. P./Marc will provide you with a diagram with a list of the most common #prefixes and #suffixes...

For centuries, Italy was the center of civilization, with its capital in Rome, “the Eternal City”. The Romans created the largest empire the ancient world ever saw. Its influence extended outward and in time encompassed almost the entire...

Watch the History of Ancient Rome in 5 Minutes...

No period of history can boast of greater beauty than The Renaissance. This was the period, from approximately early 14th century to late 16th century, that gave us Leonardo da Vinci, Michelangelo, and Shakespeare. This video discusses...