Post-socialist cities like Sofia in Bulgaria, aren't known for their architectural diversity. They tend to be a bit monotonous. And rusty. Very rusty. SEE ALSO: This city has no monuments to women so ...

Our capacity for innovation, rather than being the work of random variation, is based on an intrinsic understanding of how ...

From a single gold coin's journey through the centuries, to an ingenious screw that changed engineering, the extraordinary stories behind 100 of the most significant and intriguing artefacts in US ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This adding machine has a black metal ...