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When a mold’s takeover of an artifact must be stopped, there’s gamma radiation—pelting it with electromagnetic energy from radioactive decay to kill fungi and spores.—Elizabeth Anne Brown, Scientific American, 20 Jan. 2026 In 2023, ambient gamma radiation levels in Hong Kong rose after heavy rainfall washed radioactive decay products of radon—a radioactive gas that naturally occurs in the Earth’s crust—out of the air and brought those decay products down to ground level.—Chris Baraniuk, Wired News, 15 Dec. 2025 By 1968, about 6,000 postal employees had been trained to use radiological equipment, such as the CD V-700 pictured at top, to monitor beta and gamma radiation.—IEEE Spectrum, 1 Aug. 2025 Although GRBs start with dazzling flashes of gamma radiation, their afterglows span multiple energy wavelengths.—Andrew Paul, Popular Science, 30 July 2025 See All Example Sentences for gamma radiation