Via NASA Plane, Scientists Find New Gamma-ray Emission in Storm Clouds Science@NASAMysterious form of high-energy radiation spotted in thunderstorms Nature.comHow do scientists study lightning? With a spy plane and some big storms : Short Wave NPRSpy plane observes how storms produce radioactive clouds and antimatter EL PAÍS USASurprising amount and variety of gamma radiation is produced in large tropical thunderstorms, observations reveal Phys.org