How does Yahoo do this? If you scroll down this page you'll notice that the right rail content will stay visible until you get to the bottom of the article. My guess is it is a combination of jquery/css. Are there any examples out there on how to do this.
http://tv.yahoo.com/news/complete-oscars-2013-winners-list-001000461.h tml
Drupal has a module for this called Floating Blocks: http://dev.vit-al.co.uk/floating_block/
In jQuery land, there's a plugin on Github that sort of does the same thing called ScrollToFixed
http://bigspotteddog.github.com/ScrollToFixed/
Nancy O.
In general, this technique is called 'Follow Sidebar'.
This tutorial is exactly what you see on Yahoo link you had posted: http://techbrij.com/fixed-sidebar-scrolling-jquery-div
Other than that, there is an example of a 'simple scrolling sidebar' here: http://css-tricks.com/examples/ScrollingSidebar/
North America
Europe, Middle East and Africa
Asia Pacific