Extras

Video thumbnail: NOVA A to Z: How Writing Changed the World Promo

NOVA

A to Z: How Writing Changed the World Promo

The creation of printing, the first information technology, drove empires and revolutions.

A to Z: How Writing Changed the World Promo

Video thumbnail: NOVA How Medieval Parchment is Made

NOVA

How Medieval Parchment is Made

Learn about the preparation and use of parchment paper in medieval Europe.

How Medieval Parchment is Made