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

This video explains the origin of the term, "Windy Mansion."

Li Yin Fei and Li Ding discuss "Operation Empty Plate."

Jia Dao's tragic life was revered after his death.

By chance, Jia Dao meets a scholar who convinces him to aspire to a bureaucratic position.

Professor Fan tells us how we can nurture a healthy mind and how it will improve our lives.

Li Yin Fei and Li Ding discuss conserving energy and reducing emissions.

Should there be individuality in a traditional group performance?

Li Yin Fei and Li Ding demonstrate the benefits of not lighting firecrackers to welcome the New Year.

Li Yin Fei and Li Ding show how to refuse to light firecrackers for the New Year.

Professor Fan discusses the idea of "Ren" and its importance in maintaining healthy relationships.

Li Yin Fei and Li Ding perform their crosstalk act the Spring Festival Gala.

This video is a demonstration of acupoint selection.

And yet more reasons for a woman to go window shopping...

The video describes the many ailments that can be treated with pine and cedar trees, the origins of Chinese medicine.

There are so many reasons to go window shopping.

In the past, Ming dynasty furniture was a meticulous and laborious craft. Has that changed?

This video discusses the vaccine for hepatitis B.

Knowing the basis of the Chinese character for illness opens the door for learning many more characters.

Where does the term "Tui Qiao" (literally to "Push and knock") come from?

Has knowledge taken away our perception of beauty?

Can we teach beauty?

What are Jiang Xun's fans like?

Emperor Kangxi played a major role in introducing Christianity into China.