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Searched for: Publisher is Public Broadcasting Service (U.S.)
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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...
In this activity students are asked to interpret a graph that represents the sunspot cycle from 1900 to 1990, then they are asked to graph the number of sunspots that occurred from 1995 to 2003 in order to understand...
Most have heard of "bog bodies", those well-preserved corpses found in the bogs of northwestern Europe, but few are aware that North America has peat bogs with their own well-preserved remains of ancient people. This...
What, some ask, was the "last extinction?" It's a fair query indeed, and it happens to be understood as the period approximately 13,000 years ago when large animals were killed off across the North American continent....
This lesson, based on the NOVA television broadcast 'The Day the Earth Shook', introduces students to engineering for earthquakes; specifically, architectural features that work and those that don't. The objective is to...
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