The senses
This program examines the role that our senses play in providing us with information about the world around us. Our brain depends upon the information from all our senses being integrated so that the brain is provided with consistent data that it ca...
Smell
This program investigates how psychological principles determine a smell's level of repellence. After testing natural smells found to be offensive to most people, scientists at Monell Chemical Services Center and the University of California propose...
States of matter
This program scrutinizes the concept of phase transitions - from naturally occurring changes in state to those created in laboratories - in five sections: Solids, Liquids, and Gases (properties of molecules in different states; hydrogen bonds, dipol...
The search for clean air
This program presents a clear, forceful, and thorough exposition of the problems of air pollution: its causes; its effects on forests, streams, and human health; and the issues involved in correcting the problems. Narrated by Walter Cronkite, the pr...
How we study children: observation and experimentation
This program asserts that the testing of a causal hypothesis involving cognitive development is best done through a combination of observational and experimentational methods. Kathy Sylva and Peter Bryant, both of the University of Oxford, and other...
The amazing mole:
The discovery of the mole and its relationship to mass, volume, concentration, and number of particles revolutionized science in its day. With stunning graphics and visual metaphors, this program introduces students to this fundamental concept in ch...
Biotechnology and Your Health
Scientists have come a long, long way since Alexander Fleming's discovery of penicillin, the wonder drug of the 20th century. This program explains the function of infection-fighting antibiotics; vaccinations and insulin, crucial to the prevention o...
Introduction to designing experiments
Adam suspects that most hairy dogs have balding owners. Testing his "pet" theory at a local park, he quickly finds flaws in his own experiment. This video demonstrates Adam's second test, involving better preparation, more rigorous analysis, and an ...
Blood
Blood and circulation are explained in this program through the story of a sickle cell sufferer. By looking at the ways in which sickle cell affects the body, the program explains how the blood circulatory system operates and also how technology is ...
The seeds of a new era
Shedding light on today's biotech revolution, this intro-level program examines the controversies surrounding genetically modified organisms, or GMOs, specifically in agriculture. The program explains the process of modification using crown gall dis...