A very large team of researchers from across Europe has found evidence that suggests radioactive ruthenium readings across the continent in 2017 were from an unknown nuclear source. In their paper published in Proceedings of the National Academy of Sciences, the group describes their study of the unusual readings two years ago and what they found.
Click here for original story, Ro5 researchers suggest radioactive readings in 2017 were from a major nuclear release
Source: Phys.org