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Journal Article

Modeling Leeuwenhoek’s Tools With Disposable-Camera Microscopes

When students design and build their own versions of instruments, they appreciate them more—and are more likely to appreciate how experimentation plays a critical role in explaining the world around them (NRC 1999). In this activity, students learn...

Journal Article

Idea Bank: Demonstrating the Self-Assembly of the Cell Membrane

Although the cell membrane is a complex structure, its basic form, and the self-organizing behavior of the molecules that produce it, can be easily simulated in a high school science classroom. One such simulation, described in this article, uses oil...

Journal Article

Scope on the Skies: Focus on Uranus

It wasn’t until 1781, when William Herschel aimed his six-inch reflecting telescope toward the skies, that our solar system quite literally doubled in size with his discovery of another planet—Uranus. In this month’s column, you’ll learn abou...