Chernobyl particles show surprising stability after 40 years

Researchers studied six highly radioactive particles from the Chernobyl disaster, finding they are more stable than expected. The particles, measuring 8 to 50 micrometers, were categorized into three types based on their composition and formation during the accident. The study involved complex synchrotron X-ray diffraction experiments, revealing that the crystal structure of the nuclear fuel in these particles remains largely intact. This suggests that the remnants of the accident are chemically more stable than previously thought, potentially reducing the immediate health risks from these particles. However, the researchers caution that more samples are needed for broader conclusions about stability and health risks in the region.