Dial-a-frog -- researchers develop the 'FrogPhone' to remotely call frogs in the wild. Researchers have developed the 'FrogPhone', a novel device which allows scientists to call up a frog survey site and monitor them in the wild. The FrogPhone is the world's first solar-powered remote survey device that relays environmental data to the observer via text messages, whilst conducting real-time remote acoustic surveys over the phone. Source 3w.