Science.gov, the go-to portal for government science information, is currently featuring food safety, classroom resources, and immunization websites. Science.gov's featured sites are rotated frequently, but you can access a comprehensive list of previous features by going to the Science.gov website and selecting the Featured Sites Archive link. In addition to scientific websites, Science.gov provides a federated search of deep web databases. Enjoy free access to more than 50 million pages of scientific information. In one query, you can search over 30 databases and more than 1,800 scientific websites from 13 federal government agencies. Sign up for a free Alert Service for weekly e-mail updates about your favorite science topics. E-mail your favorite search results to friends and colleagues. Science.gov was developed through the interagency Science.gov Alliance and is hosted by OSTI.