links for 2008-05-20

"Last year it looked as though high-Tc superconductivity takes place only in CuO2 planes. Now that LaOFeAs has broken the cuprates' monopoly, what other superconductors wait to be discovered?"

A collection of explanations

The semi-finalists in Wired's contest for student videos explaining science.

"[A] two-part Q&A -- more like a conversation, really -- in which Eric [Roston] chats with hardcore bibliophile Jen-Luc Piquant about [The Carbon Age], the writing process, climate change, rising gas prices, and what carbon could possibly have in common w