Corrections and Clarifications

Erratum

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Science  03 Feb 1989:
Vol. 243, Issue 4891, pp. 590
DOI: 10.1126/science.243.4891.590-f

Abstract

In the next-to-last paragraph of Mark Crawford's article "Weapons reactor restart set back" (News & Comment, 23 Dec., p. 1630), the half-life of tritium is incorrectly given as 5 years. The correct time is 12.3 years.