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A new report from Zhejiang University in Hangzhou, China, explores the use of nanotechnology in agriculture to improve crop production, nutritional quality, and food safety. The study specifically investigates the effects of different iron-based nanomaterials on wheat grown in a Cd-contaminated field. The results show that certain nanomaterials significantly reduce the concentration of Cd in wheat grain below the safety threshold and improve grain yield and nutritional quality. These findings suggest that gamma-Fe2O3 nanomaterials have the potential to be an effective foliar agent for safe wheat production and biofortification. [Extracted from the article]