Wikipedia:Tip of the day/July 16

Search Wikipedia from any website

This is an oldie but goodie, that for sure works in Firefox...

Visit Conveniently searching Wikipedia, and follow the instructions for your browser. It's a bookmarklet that sits on your toolbar, and which serves as a Wikipedia search button that you can activate from any web page. The next time you want to look something up on Wikipedia while browsing a web-page, highlight the term and then click on your new bookmarklet.