ScienceBlogs Channel Photos, Week of April 22-28

For your viewing pleasure, here are the large 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 mrhappy

Physical Science. A rusted logging chain. From Flickr, by johndan

Environment. Fragments of smooth sea glass. From Flickr, by Akuppa

Humanities & Social Science. Young cowboys at the Nephi, Utah rodeo. From Flickr, by a4gpa

Education & Careers. From Flickr, by Sukanto Debnath

Politics. An Irani woman outside the former US embassy in Tehran. From Flickr, by kamshots

Medicine & Health. From Flickr, by jm3

Brain & Behavior. From Flickr, by .A.A.

Technology. From Flickr, by greg westfall