Plastics are a wide range of synthetic or semisynthetic materials composed primarily of polymers. Their defining characteristic, plasticity, allows them to be molded, extruded, or pressed into a diverse …

Nov 19, 2025 · plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.

4 days ago · Plastic pollution is poisoning the planet. Some experts suggest making plastics from more "natural" materials, but research shows those still have risks.

Nov 20, 2025 · For the average person, trying to avoid plastics can feel overwhelming—and maybe pointless. Our writer asked two experts how they navigate our plastic-filled world.

4 days ago · Chemical additions to plastic that mimic natural polymers like DNA can create materials that break down in days, months or years rather than littering the environment for centuries. …

5 days ago · The connection between plastic and climate change usually focuses on how plastic is partly to blame for the crisis: more than 98% of it is made using fossil fuels, and climate pollution is ...

The meaning of PLASTIC is a plastic substance; specifically : any of numerous organic synthetic or processed materials that are mostly thermoplastic or thermosetting polymers of high molecular …

Oct 31, 2025 · Plastic products are generally versatile, durable and lightweight. Plastic products are prominent in the construction, transportation, and packaging industries. Plastic innovations …

Aug 19, 2025 · Plastic coverage from Scientific American, featuring news and articles about advances in the field.

In this article, we'll examine the chemistry of plastic, how it's made, how it's used, and how it's disposed of and recycled. We'll also look at some new biologically based plastics and their role in the future of …