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Public Broadcasting Service (U.S.)
6 - 10
Tracking El Nino (NOVA Online Adventure)
Next to the seasons, El Nino is the most powerful force driving global weather. Find out what scientists are learning about this phenomenon and its reach through space and time. Site features: Anatomy of El Nino,...
New England Shellfish Beds Reopen After Toxic Red Algae Recedes
This Public Broadcasting Service (PBS) article describes red tide, a phenomenon caused by phytoplankton in coastal waters. The site includes brief summaries of the causes and impacts of red tide, both on health and the...
This brief web article features black smokers and discusses the history of their discovery, the geologic processes creating black smokers, and the various life forms inhabiting this extreme environment. As part of the...
Hosted by PBS, in collaboration with the American Institute of Physics and ScienCentral, Inc., this website serves as a companion to a PBS documentary on the history and science of transistors. The page is structured by...
Faster Than Sound
This Public Broadcasting Service NOVA website contains information on shock waves and the speed of sound. It has a useful illustration of that shows how a sonic boom occurs at the intersection of the cone of the...
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