A round-up of VT editors’ favorite newsworthy links.
Already knew red grapes and blueberries were packed with antioxidants? New research also shows that red grapes and blueberries may promote immune function, especially important in the temperature-dropping months to come. Bring on the Rosemary-and-Balsamic-Roasted Grapes and Olives! [EurekAlert]
Artificial food coloring, begone: Scientists have discovered that purple sweet potatoes make for promising plant-based dyes, ranging in color from bright red to deep purple. (Here's hoping this potato-y pigment replaces the crushed-bug-containing dye that Dannon uses in its yogurt.) [NPR]
In an effort to crack down on online puppy mills, the USDA will require all retail pet stores to get federal licenses. [Ecorazzi]