physiological effect

Examines tobacco's impact on society an its harmful physical effects through animation, interviews, staged debates and original music.

Explores how diseases caused by mutant germs, such as SARS, affect the world, discusses how they originated, and offers suggestions as to how their spread can be prevented in the future.

Looks at the weather phenomena known as a blizzard, explaining what blizzards are, where and why they occur, and what conditions are like during a blizzard, and discusses how people prepare for and cope with these fierce snowstorms.

Explains the effects of psychoactive drugs on the senses including such experiences as distorted self-image, paranoia, damage to the sensory organs, and confusion of reality and illusion.

Discusses the origins of various elements and compounds and their beneficial and detrimental effects on animals, plants, and humans.