TED Talks
Ted: Ted Ed: The Wacky History of Cell Theory
Video describes the development of the cell theory and some of the scientists and disagreements involved. [6:12] Includes a short quiz and a list of additional resources to explore.
TED Talks
Ted: Ted Ed: The History of Keeping Time
A brief video that outlines the ways that people have kept time throughout history. [3:48] Includes a short quiz and a list of additional resources to explore.