Science.Gov is a gateway to authoritative selected science information provided by U.S. Government agencies, including research and development results.

Topics
Agriculture & Food; Applied Science & Technologies; Astronomy & Space; Biology & Nature; Computers & Communication; Earth & Ocean Sciences; Energy & Energy Conservation; Environment & Environmental Quality; Health & Medicine; Math, Physics, & Chemistry; Natural Resources & Conservation; Science Education

Basic Search

• Log onto www.science.gov.
• Click "Enter Search Terms."
• Type in the blank space your keyword(s) like "bird flu" and select "Begin Search."
  Terms without quotation marks are automatically ANDed.
• You'll get results ranked by relevance or grouped in a way most likely to match your search query. The higher the number of stars, the higher the relevance.
• When results come in click on to select the latest resources.
• You may view results by rank or view by source of information.

Advanced Search

• Use "Full Record" to search the text of the bibliographic record
• You can leave a box blank or select "From" and "To" years to search the specified range or select the same "From" and "To" years to search a single year.
• Use quotation marks to search for a phrase, e.g. "bird flu."
• Use * (truncation mark with a word to get various forms); e.g., forest* will give results like forests and forestry.
• Select all sources to search all research topics or narrow your search to a specific field.

Analyzing Search Results

• Select the linked title to view a specific record or document OR select the check boxes beside the result to view.
• presents a list of results you marked during the current session.
• deletes all previous selections.
• gives you the expanded version of the selected documents.
• To bookmark an item, go to the direct URL by selecting the Permanent Link.