sidebar1 Content

The background color on this div will only show for the length of the content. If you'd like a dividing line instead, place a border on the left side of the #mainContent div if the #mainContent div will always contain more content than the #sidebar1 div.










Why are you you?

DNA Helix

DNA Helix

Why is DNA a helix?

Many people perceive the double helical structure of DNA (left) to be an extremely elegant, and in some ways miraculous structure. Clearly, the presence of two complementary strands is an efficient solution to the problem of the replication of DNA - how to make two exact copies from one original - but why is DNA helical?