Radioactive chlorine from nuclear bomb tests still present in Antarctica

Antarctica's ice sheets are still releasing radioactive chlorine from marine nuclear weapons tests in the 1950s, a new study finds. This suggests regions in Antarctica store and vent the radioactive element differently than previously thought. The results also improve scientists' ability to use chlorine to learn more about Earth's atmosphere.
Read more: https://phys.org/news/2019-10-radioactive-chlorine-nuclear-antarctica.html?source=Snapzu