-Build a level 2 or higher academy and enter the academy. Look at the progress of the current research and not how much time is remaining. Drag the "assign workers" meter to the maximum number of scientists and confirm your choice. Once done, compare how much time is now remaining from the last time you checked. You can drag the meter back to get more gold as desired, but you can also get research whenever you want.
-Go to the academy and click "Change" on "Field Of Research". Click on a different subject from the one you already have. Before it loads, click on a different one. One or two researches should be completed. Note: This works only once a day, but may not work on some days.You will be placed on the world map if the trick does not work. Check the "Research" tab to see the results.