The need for secret communications arose very early in civilization. It progressed due to the “intellectual arms race” ...

To complete the study a historical display at a museum quest for week two of the Blast from the Past event, you need to find a painting or sculpture at a museum and select the “View” option on it.

When the Renaissance artist painted his famous "Ecce Homo" around 1570, he covered up a portrait of an "an unknown ...