Travel Inside the Nucleus to See How DNA Replicates

Via the Biosingularity Blog: In this video see an animation of DNA Wrapping and also a neat visualization of how DNA is actually copied in living cells.

Hattip Snowcrash

Also look for more Free Science Videos and Lectures Online at YouTube. Take a look at theFree Science Videos and Lectures website.

Thousands of Library of Congress Photos Now Available on Flickr

Photoshoppers rejoice!

Offering historical photograph collections through Flickr gives the Library of Congress a welcome opportunity to share some of our most popular images with a new visual community.

We invite you to tag and comment on the photos, and we also welcome identifying information—many of these old photos came to us with scanty descriptions!

To view the photos on Flickr, go to: You do not need a Flickr account to view the images; you would need to sign up for a free account to add comments or tags.

We are offering two sets of digitized photos: the 1,600 color images from the Farm Security Administration/Office of War Information and about 1,500 images from the George Grantham Bain News Service.

Hattip: JoeDuck