23 Helping Verbs (Song)
This catchy tune helps younger students learn their helping verbs. Each word is printed on the screen as it occurs in the song's lyrics. The song is repeated twice. (01:51)
Deadly Parasites (Interactive)
In this interactive, explore the various steps involved in the cycle of a deadly parasite: Sporozoites invade the victim's liver and become Merozoites; Merozoites burrow into red blood cells then form and divide into thousands; these Merozoites cause disease; the parasites then insure that they will survive and shared with animals and humans during a mosquito's next "blood meal".
Fishing for Safe Food (Interactive)
In this interactive game adapted from the U.S. Environmental Protection Agency, students on a fishing trip try to catch different types of fish. Once a player catches a fish, he or she decides to keep it or throw it back, based on safety information provided by the EPA. The game teaches students which fish have high or low levels of mercury, and how much is safe to eat.
Deep-Sea Bestiary (Interactive)
With names like umbrellamouth gulper, blackdevil anglerfish, ogrefish, football fish, and vampire squid from hell, you might expect to be surprised, even startled, by some of the creatures that inhabit that deepest parts of the ocean. You would be right to expect this. This interactive image gallery from the NOVA: "Into the Abyss" Web site describes the physical and behavioral traits of some of these bizarre and little-known sea creatures.
Explore Alaska's Volcanoes (Interactive)
In this interactive activity adapted from the University of Alaska, learn about four of Alaska's active volcanoes: Augustine, Cleveland, Okmok, and Veniaminof. Explore each volcano through photographs and investigate how different types of satellite images (synthetic aperture radar, thermal infrared, and color composite) are used to study volcanoes. In addition, learn why it is important to be able to predict the movement of volcanic ash, and observe how a computer model called Puff simulates th
Exploring the Arctic Seafloor (Interactive)
Take a virtual expedition deep under the Arctic ice along with a research team from the Woods Hole Oceanographic Institution in this interactive activity adapted fromNOVA scienceNOW. Through two collections of photos and video footage, learn about the obstacles the team faced at the frozen sea surface, as well as the geological and biological discoveries deep down near the Gakkel Ridge, an 1,100-mile-long section of the Mid-Atlantic Ridge. There, volcanic activity generates new ocean crust, and
Amazing Symbiosis: Ant Army Defends Tree
Ants as bodyguards? These ants protect acacia trees with their lives! (02:18)
Future Conditional: The Grasshopper Effect: Toxic Pollution in the Arctic
In the phenomenon scientists call the "Grasshopper Effect," toxic pollutants released thousands of miles to the south evaporate in the warm climate and then 'ride' with the clouds until they reach the Arctic. (02:15)
Talking to Your Kids About the News
This 3:30 video explains the importance of helping children understand news events and how to help them deal with events such as tragedies. It offers good tips and reminds viewers that younger students don't have the ability to handle such events in proper context. The most important tip is act as a filter for news.
Violence in Media Really Matters
This five minute video shows the dangers of violence on television and other media and the link between violence and anti-social behavior. An excellent video for parents and teachers to watch as it explains that there are eight instances of violence per show and some have far more. Teens who watch too much such violence as twice as likely to commit violent acts as adult. Event cartoons are sighted for the tremendous amount of violence that are shown to children. A number of tips are shown.
Breakingviews: Aviva's different shareholder spring
April 30 - The UK insurer is the latest company to review executive pay in response to investor pressure. Robert Cole argues this is as much about long-term underperformance as short term pay excess.
Roller Coaster
Elbow Room: Westward Expansion in the USA
This three minute musical video highlights some of the land acquisitions of the first Westward Movement. There isn't much depth, but it provides some insights into why the colonists wanted to move westward and manifest destiny.
eText of Human Anatomy and Physiology
Anatomy and Physiology textbook. Contains content for 2-semester course sequence in human anatomy and physiology. Many illustrations and review questions.
Ashkahn Shahaparnia, Otis '06
Building on their creativity, commitment, connections, and professional skills, these alumni launched careers in art and design..
Deborah Sabet, Otis '05
Building on their creativity, commitment, connections, and professional skills, these alumni launched careers in art and design..
Rivers of the sun, Amazon 1-6
9:41 Amazonia has the greatest rain forest on earth. The world's mightiest river.
AMAZON BASIN
In short, the Amazon Basin (Amazonia) is covered by the largest tropical rain forest in the world, and running through its heart is the Amazon River, and its more than 1,000 tributaries, seven of them more than 1,000 miles in length. Measurable rain falls on an average of 200 days a year, and total rainfall often approaches 100 inches per year.
The overall basin drains over 2,70
Diversity of Photosynthetic Pigments
The names of algal divisions emphasize the prominence of color in their biology. Using readily available source materials, students extract polar and non-polar photosynthetic pigments from red, brown, and green algae and from cyanobacteria and angiosperms. The non-polar pigments are then quickly and cleanly separated by thin layer chromatography on narrow strips of plastic-backed silica gel with minimal amounts of solvent. The resulting patterns can be used to infer the origins of chloroplasts i
Ball python
All reptiles are cold-blooded, meaning that they gather their warmth from the environment around them. Reptiles in captivity, like this ball python, need a sun lamp to stay warm. They could die if they get too cold.
BBC The Story of India PART 6 OF 24
15:00 The Teachings of Buddha and a little history of his life, a great Indian Story with beautiful pictures.
