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 …

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

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

1 day ago · 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.

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 …

Plastic is a word that originally meant “pliable and easily shaped.” It only recently became a name for a category of materials called polymers. The word polymer means “of many parts,” and …

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

2 days ago · Scientists have long known that plastic waste is bad for marine animals. A new study quantifies how little ingested plastic it takes to be a lethal dose.

Dec 2, 2022 · Plastic pollution is a global problem that affects our natural world and its biodiversity. It impacts our environment, health, food security, and economies. An estimated …

End Plastic Pollution highlights the impacts of plastic pollution on human and ecosystem health and how everyday actions can lessen the problem.