There are many different services and technologies that can help you keep up-do-date with the scientific literature.
Article databases will often let you set up email alerts when articles matching your search criteria are published. Below are a few databases specializing in science and engineering that cover a broad range of publications.
Scopus: alerts require free registration.
CSA Auto Alerts: includes Agricola, Aquatic Science and Fisheries Abstracts, BioOne, Earthquake Engineering Abstracts, Engineering Materials Abstracts, Environmental Sciences and Pollution Management, GeoRef, and other interdisciplinary databases.
» Guide to setup/edit alerts
Compendex: alerts require free registration. Covers all engineering topics.
Google Scholar: alerts require a Google account.
Having tables of contents e-mailed directly to you as new issues are published can be a good way to keep up with a particular journal. Many journals also broadcast new content on Twitter or via RSS feeds.
Consolidated Journal Alerts
Individual Journal Alerts
Popular journals in science and engineering:
Tip: Use UC Library Search's Journal Search to locate the journal's home page.