After one hundred days, the wait is over: Pete Souza's Gargantuan Presidential High-Definition Executive Flickrdump is here. Warning: If you put it on fullscreen you won't get anything else done for a while.
Obama's People [full-screen slideshow]: one photographer; one background; fifty-two members of the incoming US administration. Oh, and one "significant item" per person. The kind of thing -- not just a political piece, but a photographic project -- that reminds you what the institutional clout of the New York Times can make possible.
Nanobliss "Nanobliss is a gallery of visualizations of small-scale structures of carbon nanotubes and silicon, created by John Hart." I came for the awesome Nanobamas [Flickr set here], but was impressed enough with the rest to share the whole. Enjoy---particularly the informative techniques page. At the very least, have a look at some of the pretty nano pictures.
Powerful, quiet photos of Barack Obama. Callie Shell captures Barack Obama in private and mundane moments that happen to say a lot about him. Highlights include two little kids literally looking up to him, Barack doing pull-ups, waiting in a stairway, and cleaning up after himself at an ice cream parlor.