This site is meant to be viewed by a web browser that will handle embedded sounds and animated gifs. (Several of the images used at this site are animated and if you're not seeing motion at the bottom of this page, we recommend you try it with Microsoft Internet Explorer 3.0 or Netscape 2.0 or better.)
Also, this particular page should have the sound of a whale cry looping in the background.
However, while the sounds and animations enhance this site, the site will still make sense without sound or motion. All the animations start on a frame that still illustrates the point and none of the animations are so large as to slow the loading of any of these pages on a reasonable (14.4) connection.