New Science.gov Service Delivers Science Information to Desktops
"From the Science.gov homepage (www.science.gov), individuals can set up an account and let Science.gov do the searching for them. Each week, up to 25 relevant results from selected information sources will be sent to the subscriber's email account. Results are displayed in the Alert email and in a personalized Alert Archive, which stores six weeks of alerts results. In the Archive, past activity can be reviewed and Alert profiles edited."
Now if this was combined with an RSS....