Chemistry
Factors Governing the Rate of Polymer Degradation
Quick fact
Some polymers, like natural rubber, can degrade in a few years, while others, like some plastics, may last for centuries, depending on their molecular structure and exposure to conditions like sunlight or moisture.
Why this is interesting
Think about a plastic bottle that never seems to vanish from a landfill, while a paper bag disintegrates in weeks. What hidden rules decide how fast a material falls apart?