Ancient North Americans started using tobacco around 12,500 to 12,000 years ago, roughly 9,000 years before the oldest indications that they smoked the plant in pipes, a new study finds. This ...
Papers from a plant anatomy symposium held at Duke University and the University of North Carolina at Chapel Hill in early 1983. Development of the stem conducting tissues in monocotyledons / P. Barry ...
In a groundbreaking new study, a University of Chicago researcher used metabolomics—a big-data approach to study small molecules called metabolites—to uncover the relationship between plants and ...
This video explores the tobacco plant Nicotiana rustica, also known as Aztec tobacco or strong tobacco. A member of the Solanaceae family, it can contain up to nine times more nicotine than common ...