ChEnected
Various materials have been used to produce and manufacture goods throughout the years. (left) Billiard balls used to be made from ivory, which was harvested from elephants. (center) Bakelite, the first fully synthetic plastic, was a popluar choice in manufactured goods like the early plastic telephones and radios. (right) Polyvinyl chloride (PVC), plasticized in the early 20th century, is widely used in piping systems.

Plastics: Then and Now

. by Melanie Mesropian

The broad range of polymers known as plastics continues to evolve and grow. Learn about early plastics and about where plastics are headed.

May 2024 CEP Preview

. by Karen Simpson

This issue, a special section on biotherapeutics, plus understanding the effect of human factors and leadership on safety, managing successful collaborations, and more.