View full lesson: http://ed.ted.com/lessons/the-history-of-tattoos-addison-anderson

If you have a tattoo, you’re part of a rich cultural history that dates back at least 8,000 years. Where did this practice of body modification come from, and how has its function changed over time? Addison Anderson tracks the history of getting inked.

Lesson by Addison Anderson, animation by The Think Blot.