Here learners investigate, diagnose, and assess the severity of emphysema in the lungs of three patients using transverse CT images of the upper and lower lungs. Students use the imaging software WebImage, a Web-based...
In this activity students measure the change in the area of calf muscle from transverse MRI images collected from an astronaut before and after a prolonged journey in space. They measure and compare the total area of...
This site has directions for a classroom activity in which students plot locations of major Southern California earthquakes on a map. A table listing major earthquakes, when they occurred, their locations and their...
This page features a geological time scale that divides Earth's history into eras, periods, and epochs, and coordinates these divisions with biological developments.
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