Friday roundabout

Norman Geras on being able to live forever.

Stubborn Facts: "The RealPolitik of Illegal Immigration".

Baroque in Hackney on the passing of poet EA Markham.

Watts Up With That: "How not to measure temperature part 57".

Ephemeral Isle: Babbage's Difference Engine arrives in Silicon Valley.

And finally,

Respectful Insolence: "You just might be an altie if..." 2008 edition.