This video discusses the vaccine for hepatitis B.

Time is an intangible thing that is difficult to measure. This little video talks about the different tools used to measure time in history.

Time is an intangible thing that is difficult to measure. This little video talks about the different tools used to measure time in history.

Learn about the history of acupuncture in China and the people whose discoveries and work were integral in advancing the field.

In ancient times, meridian networks and acupoints were used to treat illness, but researchers are only beginning to understand the effectiveness of these in diagnosing illness and examining the body.

Medical discoveries in the U.S. and France sparked further study by China into the correlation between acupoints in the ear and the treatment of disease.

After many years of research, acupuncture has now become an effective tool for healing all kinds of ailments.

A professor discusses human emotions and how they share a close and interconnected relationship with our internal organs.

Professor Fan discusses the relationship between the liver and anger and its correlation with the irritability experienced by females during menstruation.

Professor Fan discusses the relationship between thought and the digestive system and why drivers who drive long distances have gastric problems.

Professor Fan discusses grief and the lungs as well as how immense fear affects our ability to control the kidneys.

Professor Fan discusses how extreme changes in emotion can damage the "Qi" in the five viscera.

Professor Fan explains why you must anger someone to the point of tears during an argument.

Professor Fan emphasizes the importance of rules and having a good grasp of such rules in everything we do.

Professor Fan uses the process of birth and life to explain why there is never a need to fear pain.

Professor Fan tells us how we can all be content with nothingness.

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

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

Do mosquitoes prefer UV light or human flesh?

To test the effectiveness of anti-mosquito lamps on mosquitoes, we'll first need some mosquitoes.

Just how effective are anti-mosquito lamps in a room full of mosquitos?

How do anti-mosquito lamps fare with human flesh in the room?

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

How serious is the pollution caused from smoking two cigarettes in a row?