We hereby present to you: large-scale versions of this week's channel photos.
(Have a photo you'd like to send in? Email it to photos@scienceblogs.com, or assign the tag "sbhomepage" to one of your photos on Flickr. Note: be sure to assign your photo an "attribution only" or "share and share alike" Creative Commons license so that we can use it.)
First photo here, the rest below the fold.

Autumn maple leaf veins, with the rest of the leaf removed by a semiconductor etch. From Flickr, by jurvetson

From Wikimedia Commons, by Luc Viatour

Biofuels. From Flickr, by jurvetson

From Flickr, by Esparta

From Flickr, by clgregor

Satellite image of Hurricane Katrina on August 28, 2005. From Flickr, by GISuser.com

From Flickr, by Charlie bosmore

From Flickr, by Liz Henry

Nude photography. From Flickr, by jurvetson
All are wonderful, Thanks for sharing them..