This year's ozone hole over the Antarctic is one of the smallest ever recorded and scientists say the ozone layer should fully recover by 2066. Image courtesy of NOAA Climate.gov Oct. 30 (UPI) -- A hole in the atmosphere's ozone layer is the seventh-smallest since recovery began in 1992, the National Oceanic and Atmospheric Administration announced Wednesday. The hole annually opens over the Antarctic at the southern pole and is much smaller than in most prior years, the NOAA announced. NOAA and NASA scientists estimate the ozone layer could fully recover by 2066 and no longer have a hole opening...