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 …

Mar 6, 2026 · plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.

Nov 25, 2025 · Learn what the numbers on plastic containers mean, which plastics are safe, which to avoid, and how to recycle them properly using the 1–7 resin code chart.

Jan 29, 2025 · Whether we know it, or like it, our bodies are polluted by tiny fragments of plastic that fail to break down in our earthly environment. What does that mean for our long-term health, and what …

Sep 8, 2025 · Plastic pollution is growing a threat to ecosystems, the climate and our own health. What can be done to prevent it?

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 in disposable …

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 polymers are …

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

Nov 18, 2025 · Plastic coverage from Scientific American, featuring news and articles about advances in the field.

Oct 19, 2023 · From polymers to nurdles, learn how plastic is created and what we can do to slow the lasting repercussions this material will have on both our planet and our lives.