The news brief “Microbes unite Novozymes and Monsanto” (32, 211, 2014) incorrectly states that BioAg Alliance's work involves microbial enzymes. The alliance will discover, develop and commercialize microbial solutions for agriculture. The error has been corrected in the HTML and PDF versions of the article.

In the news analysis “Master Protocol for squamous cell lung cancer readies for launch” (32, 116–118, 2014), Genentech's compound taselisib was incorrectly labeled as pictilisib in Table 1. The error has been corrected in the HTML and PDF versions of the article.

In the news analysis “Engineered tracheas, corneas and arteries enter clinical testing” (32, 303–304, 2014), the article incorrectly stated there was one case of rejection in a phase 1 trial of corneal implants, when there were none. There was one case of rejection in the control group that received donor corneas. The error has been corrected in the HTML and PDF versions of the article.