Radioactive particles from Chernobyl, more durable than scientists thought SitekDaily reported in a report: Researchers say some radioactive particles from Chernobyl remain more durable than they thought after four decades; This finding helps predict the release time of radioactive materials in the environment. To assess the risk of these particles, it is necessary to know how quickly they break down and release radioactive substances. Read the details of this report on the IRNA website.