How do I search the videos on Food 52. I watched a great video on pan searing steaks, but I can't seem to find it anymore.

Here's the link to the video I think you are referring to:
http://food52.com/blog/2304-how-to-sear-perfect-steaks

To find it next time - choose "Columns" under the scroll down near the search button. Once you're in "columns" just search "video on..."