IN the course of investigations with radioactive isotopes in this Department ... the escape of carbon-14 from exposed samples of barium carbonate. Anomalies have also been observed in the decay ...

The deadly August 8 blast at the Nyonoksa military weapons testing range released a handful of rapidly-decaying radioactive isotopes Strontium-91, Barium-139, Barium-140 and Lanthanum-140 ...