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.

17 hours 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.

May 15, 2025 · Plastic pollution poses a threat to the marine environment. It puts marine species at higher risk of ingesting plastic, suffocating, or becoming entangled in plastic pollution. …

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 …

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

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 …

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

Apr 25, 2023 · Affordable, durable and flexible, plastic pervades modern life, appearing in everything from packaging to clothes to beauty products. But it is thrown away on a massive …

Apr 21, 2023 · Plastic is a synthetic polymer made from various organic materials that can be molded into almost any shape. Some types of plastic are clear and transparent, like that used …