• The medical TV drama that included 85 instances of sexual misconduct was Grey’s Anatomy, not House (3 April, p 5).
• The designer of antennas for robot submarines is Jake Piskura, not Piscura (27 March, p 56).
• Edward Witten would be better described as “string theory’s leading architect” than as its founder (13 March, p 28). Its founders include Gabriele Veneziano (2 September 2006, p 28) and Yoichiro Nambu and Jeffrey Goldstone (10 April 1999, p 32).
