It is difficult to imagine the present world without polymers. Natural polymers have a very important role as structural materials (polysaccharides and proteins), information storage (nucleic acids), ...

An auxetic material becomes thicker in one or more width-wise directions when it is stretched along its length. Conversely, it becomes thinner when compressed lengthwise. This contrasts with ‘normal’ ...

Behind the following links are lecturebook examples that focus on single concepts. These examples have been primarily taken from exams from past semesters, and have considerable relevance to you as ...

A new analysis found that nearly 700 drugs approved for use in the United States depend on chemicals solely produced in China ...

Most everyone involved with hazardous materials response is familiar with the U.S. Department of Transportation (DOT) placard and label system for transportation of hazardous materials. The U.S.