Industrial plants and factories discharge waste into streams that lead to pollution of the streams and rivers. Scientists are working with industries to process industrial wastes so as to reduce water pollution.

Comparisons between normal and cancerous cells show chemical differences between them. This will lead to the development of viruses and other organisms that will be able to kill cancer cells without harming normal cells.

Archaeologists dig through layers of historic sites to discover artifacts of ancient civilizations. Several minutes lack video.

Preservation, cleaning, and restoration of art objects are presented as scientific processes. Careful use of solvents and tools can restore paintings and sculptures to their original brilliance. Using ultraviolet light and x-rays original paintings can be discovered beneath layers of paint.

This program describes the atom as the smallest structure in the universe and how they combine to form molecules. Molecules combine together to create larger structures that can react and combine with each other.

The need to see cells in motion in high magnification led to the development of the television microscope.