Ancient China began as a group of isolated communities during the Stone Age and eventually grew into a formidable empire.

THE missing ingredients of an ancient ... and weapons. It also contains six recipes for bronze that have long puzzled researchers. While bronze-making wasn’t unique to China at that time ...

that ancient Chinese artisans employed an unexpectedly advanced preservation method using the metal chromium. The fine preservation of weapons including swords, lances and halberds was due to ...