Created by scientists at the California Institute of Technology, Whyville is a virtual world where children can chat, play games, and learn together. With over 7 million users, Whyville has attracted investments from notable figures like Roy Ash and partnerships with organizations like NASA and Toyota. The platform offers a wide range of educational activities in subjects such as physics, marine biology, and art history. Recognized by media and parenting groups, Whyville has also been featured in publications by the National Science Foundation. Its parent company, Numedeon, received a grant to develop PlayMath™, a math learning approach based on puzzles.