You can keep a record of all the steps you have taken during your research session. This list is called your Research History. Research History records the times you began your session, the searches you ran, the documents you viewed, preferences you changed, as well as the time you ended your session. You can also link back to previously viewed documents and recent searches.
Click the Research History link on the navigation bar.
Scroll through the research history to find the document you want to return to.
Click the title of the document, and the document will appear on your screen.
With your Research onscreen, scroll to the top or bottom of the screen and type in a comment in the comment box. (You are limited to 115 characters.)
Click the Add button.
With your Research History onscreen, click the link titled, Click here to calculate your total research time from (dates displayed onscreen).
A box pops up with your research time (in minutes) for the time period specified onscreen.