On NOVA, a team of carpenters, timber framers, engineers, and historians recreate a medieval throwing machine called a trebuchet. This adapted video segment explores how understanding energy transfer informs their design.

This video lesson introduces students to the worlds of engineering innovation and entrepreneurship. It seeks to encourage students to see the world with a fresh perspective for innovation through interactive classroom brainstorming activities and real life stories. Students will build self-efficacy in their own entrepreneurial potential by developing their perspective for innovation, developing a prototype solution for a problem they have recognized, and delivering an elevator pitch. The video will familiarize students with all the steps in the innovation process: from conception to launch. By the end of this lesson, students will be prepared for an optional long-term innovation project.

In this video segment from NASA, robotics researcher Ayanna Howard uses engineering to improve the intelligence of robots in space exploration.

This art history video discussion examines the Equestrian Sculpture of Marcus Aurelius, bronze, c. 173-76 C.E., (Capitoline Museums, Rome). The original location of the sculpture is unknown though it had been housed in the Lateran Palace since the 8th century until it was placed in the center of the Piazza del Campidoglio by Michelangelo in 1538. The original is now indoors for purposes of conservation. Marcus Aurelius ruled 161-180 C.E.

This short video and interactive assessment activity is designed to give fourth graders an overview of - equivalent decimals ending in zero.

This short video and interactive assessment activity is designed to teach second graders an overview - equivalent decimals ending in zero.

This short video and interactive assessment activity is designed to teach third graders an overview - thousandths.

This art history video discussion examines the Caryatid (South Porch) and Ionic Column (North Porch), Erechtheion on the Acropolis, Athens, marble, 421-407 B.C.E. (British Museum, London). Mnesicles may have been the architect.

This short video and interactive assessment activity is designed to teach fourth graders about estimating measure by image: centimeters or meters?.

This short video and interactive assessment activity is designed to teach fifth graders about estimating the measure of objects by image: feet or inches?.

Franklin works with Laverne to create a budget for a job painting a room, in this video segment from TV 411.

This short video and interactive assessment activity is designed to teach fourth graders about estimating measure by description - multiple choice.

Harry estimates how long it will take him to get to the front of a long ticket line in this Cyberchase video segment.

This short video and interactive assessment activity is designed to teach fifth graders about estimating the measure of items by description: inches, feet, or yards?.

This unit describes the traditions and values that guide physicians, nurses, and allied health professionals. It explores medical ethics, professionalism and legal duties and applies ethics and professionalism to specific topics, including health informatics.

This art history video discussion examines Eva Hesse's "Untitled", enamel paint, string, papier-mache, elastic cord, 1966 (MoMA).

This unit describes the application of evidence-based medicine (EBM). The discussion begins with the framing of clinical questions that can be answered by appropriate evidence. It then demonstrates how to find and apply the best evidence for answering four major types of clinical questions: interventions, diagnosis, harm, and prognosis. The unit also introduces summarizing of evidence (systematic reviews) as well as clinical practice guidelines and concludes with a discussion of the limitations of EBM.

This video segment adapted from NOVA tells the story of two scientists who inadvertently discovered microwave radiation that is now believed to be heat left over from the Big Bang.

In this video segment from Religion & Ethics Newsweekly, learn about Muslims in Lawrenceville, Georgia, their plans to build an Islamic cemetery and the stiff objections from their Christian neighbors.