Generally, it has a negative connotation since it is commonly associated with an investigation initiated by the occurrence of an adverse event. While many times this may be the case, proactive ...

The following types of contribution to Nature Portfolio journals are peer-reviewed: Articles, Letters, Brief Communications, Matters Arising, Technical Reports, Analysis, Resources, Reviews, ...

Opinion pieces from C&EN staff addressing core issues in chemistry. For 300 years or so after the creation of the scientific journals, those journals would unsystematically decide what to publish on ...