The Becoming Years: Physical Development During Adolescence
Adolescence, roughly spanning the ages from 10 to 20, is a transitional time when children are becoming adults. It is a period marked by profound physical and psychological changes. One of the most important features of ..
The Brain
Philosopher John Searle discusses the chain of events that takes place in the brain that results in thoughts and feelings.
The Chemical Industries: Borax Production and Environmental Considerations
The valuable mineral borax was discovered in California's Death Valley in 1882. Today, fifty percent of the world's commercially produced borax comes from the Mojave Desert near Boron, California. Borates are used in h..
The Chemical Industries: Polyester Manufacturing
Most people commonly associate polyester with clothing but, in fact, the bulk of polyester resins is used to make reinforced plastic products. Polyester is a vital component in plastics which require strength and durabi..
The Chemical Industries: Sulfuric Acid and Environmental Considerations
Sulfuric acid is the most commonly used compound produced by the chemical industry. It is most frequently utilized in the making of fertilizers, but is also used in the manufacture of gasolines, dyes and industrial expl..
The Chemical Industries: The Chemical Industry and the Environment
Waste minimization and recycling are two of the techniques commonly used to improve environmental quality. They reflect the chemical industry's acknowledgement of its growing responsibility toward the environment and c..
The Chinese Room Argument
Philosopher John Searle goes through the "Chinese room argument" to prove that no matter how powerful computers are, they aren't minds. Professor Searle explains that while the computer can very rapidly manipulate formal..
The Code: Ethical Questions Raised by Genetic Manipulation
When is comes to genetic manipulation ethicists ask where do you draw the line. Which kinds of treatment are appropriate and which are not? Harold Varmus, former head of the National Institutes of Health, says that many ..
The Code: Genetic Screening Prior to and During Pregnancy
Because of their family history some couples request screening for recessive genetic diseases prior to conceiving a child. If they are already pregnant, and both parents turn out to be carriers for diseases such as Tay S..
The Code: Genetic Testing
The Human Genome Project has revealed a number of genes that contribute to genetic diseases. In fact the onset of a disease that has genetic roots can be detected decades before the first symptom. Such extraordinary adva..