View full lesson: http://ed.ted.com/lessons/vampires-folklore-fantasy-and-fact-michael-molina

The myth of the bloodsucking vampire has stalked humans from ancient Mesopotamia to 18th-century Eastern Europe, but it has differed in the terrifying details. So, how did we arrive at the popular image we know, love and fear today? And what truly makes a vampire...a vampire? Michael Molina digs up the science and the superstition.

Lesson by Michael Molina, animation by The Moving Company Animation Studio.