In the Research News article by Richard A. Kerr "In search of elusive little comets" (10 June, p. 1403), the position held by John Craven of the University of Iowa was incorrectly given. He is a senior research physicist.
在理查德·A·克尔的研究新闻文章《寻找难以捉摸的小彗星》(6月10日,第1403页)中,爱荷华大学的约翰·克雷文的职位被错误表述。他是一名高级研究物理学家。