This photo provided by Andrea Rummel, Brown University, shows a bat. A three-ounce flying robot mimics the unique and more flexible way bats fly, this new robot prototype can do a better and safer job getting into disaster sites and scoping out construction zones than those bulky drones with spinning rotors, said the three authors of a study released Wednesday, February 1, 2017, in the journal Science Robotics. (Photo by Andrea Rummel/Brown University via AP Photo)
