Premature ventricular contraction (PVC) is a type of abnormal heartbeat, or arrhythmia. It happens when the heartbeat begins in the lower, rather than the upper, heart chambers. This creates an ...

Plastic is one of the world’s most ubiquitous materials, essential to daily life as we know it. Production is growing at a rate of 3.4 percent—three times faster than our global population growth.

A report warning cities against the use of PVC pipes in water systems sparked swift and resounding criticism from the plastics industry, its advocates and at least one leading scientific expert.

Premature ventricular contractions are common and usually no cause for concern. But sometimes you may need to see a doctor. A premature ventricular contraction (PVC) is a heartbeat that starts in a ...

Best known in the form of the ever-present white piping seen in basements of buildings, the domestic use of Polyvinyl Chloride (PVC) could be considered a double-edged sword. Its reliability and range ...

The flames and deadly black smoke that billowed high over a small town on the Ohio and Pennsylvania border Monday were an acute reminder of a type of commonly used plastic with a particularly ...

Polyvinyl chloride (PVC) is durable and holds up against moisture and corrosion. That makes it a good plastic for pipes, construction material, and medical devices. But its high chlorine content also ...

The world's most versatile plastic had a rather humble beginning: A rubber scientist during the early 1920s stumbled onto a new material with fantastic properties during his search for a synthetic ...