Date | Grid | Clue | Author |
---|---|---|---|
Fri Jan 17, 2003 | 24A | Radioactive isotope | Sherry O. Blackard |
Fri Jul 14, 2000 | 27D | Radioactive isotope having mass 230 | Brendan Emmett Quigley |
Date | Grid | Clue | Author | Editor |
---|---|---|---|---|
Sun Nov 23, 1947 | 2D | Radioactive element discovered in 1907. | P. J. Lamanna | Farrar |
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