Science Monday: Second Sun, Poo Hustlers and Nano Goo

Since I do write sciene fiction, every Monday I'm going to point my readers to some interesting science news. Today's edition:

--The Binary Research Institute (BRI) thinks Sol might have a twin in the recently discovered planetoid "Sedna": Evidence mounts for sun's companion star.

--This isn't strictly science news, but by way of the Uncertain Principles blog, Locus magazine had a funny typo this month:

Alex Irvine's "New Game in Town" is an exquisite story of small-time crooks and poo hustlers that takes a sharp turn into uncanny SF.

--When being quirky is a good thing. Quantum cryptography may get some play in my new novel, so I've been reading up on it.

--By way of Razib at Gene Expression: Neandertal mitochondrial DNA analysis stacks more evidence for rapid replacement theory.

--Via SpecRom's blog, "The sky is falling!" Nano gray goo will take over the planet. Does this mean I can get a HUD on my cornea for my iPod playlists?