This post is a topic a bit different from the usual on this blog, but I thought the following video to be really worth sharing. Made back in 2003, it was featured on the Astronomy Picture of the Day yesterday (if you want your daily delivery of stunning pictures, just subscribe to their feed) and shows a visualization of the DNA, including the incredible replication process.
I knew DNA structure was a double helix, but seeing it spiraling all the way to the chromosomes was enlightening. What an efficient use of space…