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# radioactivity

All time
30 years on: The impact of the Chernobyl nuclear disaster
These world-changing discoveries were made by accident
Here's how a radioactive injection could be avoided when assessing cancer in children
Calm down: Higher radiation levels at Sellafield were just 'background radon'
Accident at Sellafield would have "no health effects in Ireland"
10 scientific discoveries that were complete accidents
Japan restarts Fukushima reactor - radioactive particles detected
MMA's very own Radioactive Man heads to Fukushima
Three-quarters of US nuclear plants have radioactive leaks - report
Dangerous quantities of carcinogenic gas detected in Kerry home
Fukushima radiation still present in Irish air samples