There is the likelihood of deadly metallic pencils that carry the radioactive Cobalt-60 lying in the open somewhere in Delhi. India's nuclear watchdog is investigating the Delhi University radioactive ...

The mystery of the missing cobalt-60 pencils further deepened with investigators claiming that the lead cover of gamma irradiator -- in which the radioactive metal was kept -- was melted at a furnace ...

The Department of Atomic Energy has confirmed that all the missing Cobalt 60 from Delhi University (DU) has been recovered. Sixteen pencils containing the radioactive material have been located and ...

A non-resident Indian from the United States has written a letter to regulatory bodies in India about several pencils of Cobalt 60 — a source of radiation — lying unattended at a factory in the ...

After finding two more samples of Cobalt-60 radioactive material in Mayapuri, scientists from the Department of Atomic Energy said on Thursday that they now had no idea how many people could be out ...

The National Radiation Emergency Response team recovered 16 Cobalt pencils, of which four were recovered intact and others scattered in pieces as they were dismantled in the scrap yard at Mayapuri in ...

— Hope Creek could become only the second commercial nuclear power reactor in the U.S. to produce Cobalt-60 under a proposal now being reviewed by the federal Nuclear Regulatory Commission, officials ...

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The production of cobalt-60 is critical to healthcare and, with demand soaring, the challenge is to expand supply, writes Martin Comben from the International Irradiation Association. There are a ...