Using Taehan Lee plugin you can display your recent interest inside different parts of a human brain. This is a simple widget plugin which is highly customizable.
U Recent Interests displays your recent interests entertainingly. You can add you interest and add a different link to each word showing inside a sectional drawing of human brain. Plugin is highly customizable so you can adjust color, font, size, etc.
All customizations are done from the widget itself. Simply install, activate then visit your WordPress admin area Dashboard -> Appearance -> Widgets page and drag its widget to sidebar, add interests (words), their URLs and edit color, style etc. That’s all. Visit your home page and enjoy.