As always, take a gander at the 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.

Life Science. From Flickr, by
jurvetson

Physical Science. From Flickr, by
Tetine

Environment. From OAR/ERL/National Severe Storms Laboratory, via
pingnews.com

Humanities & Social Science. From Flickr, by
WachoPerro!

Education & Careers. From Flickr, by
jurek d.

Politics. From DOE, via
Wikimedia Commons

Medicine & Health. From Flickr, by
gierszewski

Brain & Behavior. From Flickr, by
fabbio

Technology: A 64-bit memory chip from the mid-1960s. From Flickr, by
jurvetson
Comments
Amazing PICs! As always! Thanks very much!
Dave Briggs :~)
Posted by: Dave Briggs | January 24, 2008 12:50 PM
The caption doesn't say so, but your 64-bit memory "chip" seems to have a more recent silicon chip sitting on it....
Posted by: David Harmon | February 6, 2008 6:35 PM