There’s an immense world of tiny stuff within us and around us—but how do we know about it? In this episode of Crash Course Biology, we’ll discover how we see what we can’t see, thanks to the help of centuries-old tools and more recent technology. Along the way, we’ll learn about the major types of microscopes and how to use a typical light microscope.

Chapters:
Discovering Bacteria 0:00
Methods for Observing Molecules 1:36
Microscopy 2:25
Types of Microscopes 3:30
Cryo-Electron Microscopy 7:54
How Light Microscopes Work 8:38
Review & Credits 11:34

This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information.

Check out our Biology playlist here:    • Biology  

Watch this series in Spanish on our Crash Course en Español channel here:    • Crash Course Biología  

Sources: https://docs.google.com/document/d/1G...

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