PubCrawler is a free alerting service that scans PubMed and GenBank databases daily to list new entries matching a user's research interests. PubMed provides access to biomedical literature citations and links to other molecular biology resources. HighWire Press manages fully searchable research literature online from partner journals and offers table of contents alerts and search alerts by topic or author. Amedeo provides free weekly emails and abstracts in medical topics to healthcare professionals. Podcasting and social bookmarking services like Delicious can also help provide current awareness in specific fields like oncology.