Saturday roundabout

Harry's Place has a guest post from Michael Ezra on Truman's decision to use the atomic bomb against Japan.

One in the eye for Intelligent Design: Bad Astronomy has a video explaining how vision evolved.

Space Cynics step in at the last minute to host this week's Carnival of Space.

Neo-neocon takes a look at Chinese sculptor Lei Yixin's statue of Martin Luther King which will soon grace Washington DC’s Mall.

Jay Rosenhouse at Evolution Blog is locked in a life or death struggle against the fetid tentacles of the Darwinian octopus, or something.

And finally,

For reasons I cannot even begin to guess at, Science Punk is doing unspeakable things to a London Transport Oyster card.