These videos are from 2012 so my interest in trees goes back a long ways. I think these videos discuss two of the most interesting and amazing facts about our leafy friends: they are made mostly of CO2 (which comes from us breathing out...

Explore the innovative engineering of ancient Rome, from the revolutionary use of arches in bridge construction to the sophisticated aqueduct system that supplied water to cities. Discover how Roman roads, built over 2,000 years ago,...

In this video, we explore the lasting legacies of ancient Rome in the areas of art, architecture, engineering, and language. Also, the influence of Latin on language, including the development of Romance languages and the use of Latin...