For your weekly viewing pleasure, here are the large-scale versions of this week's channel photos.
(Have a photo you'd like to send in? Email it to firstname.lastname@example.org, 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.
Life Science. From Flickr, by David Prior
Physical Science. From Flickr, by darkpatator
Environment. From NSF, via pingnews.com
Humanities & Social Science. From Flickr, by chatirygirl
Education & Careers. From Flickr, by DimsumDarren
Politics. By Master Sgt. Andy Dunaway, U.S. Air Force, via pingnews.com
Medicine & Health. From Flickr, by ShutterCat7
Brain & Behavior: Visualization of fiber tracts in a DTI measurement of a human brain. By Thomas Schultz, via Wikimedia Commons
Technology. From Flickr, by gualtiero