The large versions of this week's channel photos are bigger and better than ever.
(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. A male Mandarin duck enjoys a swim. From Flickr, by law_keven
Physical Science. The polished surface of Brazilian eudialyte. From Flickr, by kevinzim
Environment. From Flickr, by pfly
Humanities & Social Science. From Flickr, by wakalani
Education & Careers. From Flickr, by paul goyette
Politics. The U.S. Marine Corps honor guard commemorates Memorial Day at Arlington National Cemetery. From the Department of Defense, by Chad J. McNeeley
Medicine & Health. From Flickr, by Mark Sadowski
Brain & Behavior. From Flickr, by chaosinjune
Technology. Intersecting segments of the unfinished National Grand Theater of China, in Beijing. From Flickr, by ionushi