Add Yahoo as a preferred source to see more of our stories on Google. Picture this scenario: You head to the grocery store to pick up a few things for dinner — let’s say you’re going to make tacos.

Each year, on our fruit-and-vegetable farm in New England, my family covers about a quarter of our 50 acres with plastic mulch. Rolls of it, five feet wide and 4,000 feet long, sit on a machine that ...

Azobenzene-containing plastic film is a peculiar material; its surface can change shape when exposed to light, making it a valuable component in modern technologies/devices like TV screens and solar ...