Markup Review

The results of some scientific research by Lech Dabrowski. The h1 could be split into a heading and a subheading, which would make the hgroup more appropriate and be better than using a br. The figure element would be appropriate for the images used in the site. The nav could be extended to contain the heading, which would then show up well in the outline. The links at the bottom of the page could probably work inside a nav too, and section is not needed for a wrapper. That is a job for div.