View full lesson here: http://ed.ted.com/lessons/danieldule...

The word "mole" suggests a small, furry burrowing animal to many. But in this lesson, we look at the concept of the mole in chemistry. Learn the incredible magnitude of the moleand how something so big can help us calculate the tiniest particles in the world.

Lesson by Daniel Dulek, animation by Augenblick Studios.