EnvironmentGlaciers contain radioactive isotopes from nuclear tests and accidents Traces of nuclear weapons testing and accidents like Chernobyl have been found in glaciers around the world. It is unknown if they pose a risk to health News
PhysicsAncient natural nuclear reactors show how to store radioactive waste Billions of years ago, uranium in the Earth’s crust underwent nuclear reactions on its own, and the remnants demonstrate a way to keep nuclear waste under control News