While many of her peers are grinding away at a 9-to-5 job, Yeo Welwei spends her working hours at her family temple, Ji Zheng Gong Temple. And she isn't just helping out with the odd task ...

The Kao Gong Ji, the oldest known technical encyclopedia, was written around 300 BC and is part of a larger text called The Rites of Zhou. The ancient text includes six chemistry formulas for ...