This art history video discussion looks at the Mosaics of Santa Prassede, Rome, early 9th century Mosaics from the early 9th century, under Pope Paschal. The church is dedicated to Saint Praxedes and her sister Saint Pudentiana, daughters of Saint Pudens. The sisters were martyred because they provided Christian burials for martyrs, against Roman law.

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Deze labvideo bespreekt het doel van centrifugatie in een biologisch lab en demonstreert twee toepassingen.

In this video from DragonflyTV, Jai and Jonathan track, graph, and analyze the motion of basketball shots as they investigate what factors influence the accuracy of their game.

This video segment from the Nevada Department of Wildlife looks at various species of bats and how they impact the environment.

This Nature video segment focuses on the four foods most important to the grizzly bears' survival, and it describes the threats to the supply of each of them.

In this video segment from Nature, learn about the problems bears are creating on ranch land surrounding Yellowstone National Park.

This Nature video segment explores how the relationship between humans and grizzly bears has changed over the course of American History, and it describes the closing of the Yellowstone National Park garbage dumps in the 1970s.

Learn about the precautions humans must take in the face of a growing grizzly bear population in this video from Nature.

A Beautiful Mind won the Academy Award for best picture in 2001 and it chronicles the life of John Nash who is noted for his pioneering work on general equilibrium theory. This scene is a great way to discuss self-interest and contrast it with the social optimum. Nash's work has augmented Adam Smith's "invisible hand" theory by extending how self-interest is modeled. This scene is must viewing even though the scene itself contains flawed economics (explaining why the scene is NOT a Nash equilibrium helps students learn the concept in greater depth).

Learn about bees, their habitat and how to interact with a swarm in this Wild TV video segment.

In this video segment from WILD TV, learn about bees and the different techniques for handling them.

This short video and interactive assessment activity is designed to teach third graders about before and after problems.

Programming Coordinator Nicole Episcopo gives us a behind-the-scenes look at the Cleveland Museum of Natural History’s Animal Room. She’ll highlight everything that goes into caring for our beloved animal ambassadors, as well as how our animal experts prepare them for use in classes and programs. Worksheets available for grades PreK-K and 1-2.

How do scientists stay safe when they work with poisonous fumes and powerful acids? For November's After School Science Hour, Karla Arredondo and Ladan Khandel from Berkeley Lab's Environmental, Health, and Safety (EHS) Division will share how they help scientists carry out their research safely. Get a behind the scenes look into a lab's safety equipment from fume hoods to hazmat suits. Afterwards learn how to create a pollution catcher to test air qualit

This art history video discussion examines Giovanni Bellini's "Saint Francis in the Desert", c. 1480, oil and tempera on poplar, 124.5 x 141.9 cm (The Frick Collection, New York).

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This art history video discussion looks at Giovanni Bellini and Titian, The Feast of the Gods, 1514 and 1529, oil on canvas (National Gallery of Art).

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This video narrates the curios case of the Berlin patient who was the first person considered cured of HIV.

This art history video discussion looks at Bonaventura Berlinghieri's "Altarpiece of St. Francis", c. 1235 (Church of San Francesco, Pescia, Italy).

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This art history video discussion looks at Bernini's "Apollo and Daphne", 1622-25 (Galleria Borghese, Rome).

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.