It explains the different types of materials around us and their sources.

This video is a demonstration and explanation of a Van de Graaff generator, an electronic device that creates static electricity. The video aims to teach viewers about the concept of static electricity and the role of Van de Graaff...

The Parthenon in Athens, Greece, is considered one of the most important surviving structures of Classical Greece. Originally dedicated to the Greek goddess Athena, it has changed hands many times throughout history, serving as a...

With the help of co-author Christina Boszik, I weigh in on the debate around the Parthenon Marbles.

A merchant explains how the Ancient Greeks traded with the rest of their world.

A fun animated English lesson for students of all ages from kids to adults to help develop the vocabulary of the kitchen. You will learn: bottle of washing up liquid, bowls, chair, chopping board, cleaver, cloth, cooker, cooking pot,...