This entertaining and informative video on the Chinese obsession with gift-giving reveals a lot about contemporary Chinese social and political issues (covering everything from social competition to corrupt officials) and also delves into the ancient origins of this long-running practice.

In this experiment, PM2.5 and carbon monoxide levels in a room are tested before and after the lighting of a cigarette.

China's first statues did not come from the popular Song or Tang dynasties. Yi Gongzi explains.

Yi Gongzi describes the chaos and turmoil of the Wei, Jin, Southern and Northern Dynasties.

Yi Gongzi tells the tale of Xiaoming and how he discovered an important find during the Northern Qi Dynasty.

Why does the statue of Buddha suddenly bring calmness to those who have experienced suffering?

How do the Buddha statues from the Northern Qi Dynasty compare with those from the Northern Wei Dynasty?

Yi Gongzi explains how the face of the Buddha can show us what the deepest state of calmness and relaxation looks like.

How do we reach a fully relaxed state of being?

Yi Gongzi explains the meaning of the Buddha's expression of complete acceptance.

What is true and complete acceptance?

Like the secret to performing tai chi, to reach a state in which troubles are a thing of our past, we must forget everything including our material worth and troubles and become one with nature.

Why doesn't China have a film rating system similar to the United States or other countries?

What is Wuyi Rock Tea and where does it come from?

How did the different varieties of teas in the Wuyi Mountain come to be?

What are some of the lesser-known varieties that come from mid-season shrub tea trees?

How do tea producers distinguish between the many varieties of tea produced on Wuyi Mountain?

What are the initial processes of making rock tea?

What is charcoal roasting?

What makes rock tea authentic?

Why was fully-fired charcoal roasting so important?

Not surprisingly, the taste and quality of teas from different areas of the mountain differ greatly.

When is high heat required when roasting teas?

Why should we not choose less expensive or big-brand rock teas?