American teenagers are chronically sleep deprived. As children enter puberty, physiological changes delay the onset of sleep and make it more difficult to wake up early in the morning. By the end of middle school, there is a large disconnect between biological sleep patterns and early-morning school schedules: one study found that students lose as…

In at least 44 states across the country, students are logging in to learn at all times of the day and night--accessing courses they might otherwise be unable to take, interacting with students they might otherwise never know, and working with highly qualified teachers they otherwise could not access. In these and countless other ways, online…

This study describes high school students' conceptual development of the basic astronomical phenomena during real-time interactions with a Virtual Solar System (VSS). The VSS is a non-immersive virtual environment which has a dynamic frame of reference that can be altered by the user. Ten 10th grade students were given tasks containing a set of…