Combined with nylon (a Du Pont invention from 1939), Spandex allowed the production of tights with no garter or stocking belt, which in turn meant designers like Mary Quant could take the hemline of the skirt way up.
"No previous study has allowed the evaluation of the impact of hatchery stocking activities on Penobscot river Salmon, " said Chris Lage, a graduate student working with Kornfield on the study.