* Three key questions about the Zazi terror case.
* How climate change could hurt food production.
* New praise for a new FEMA.
* The Explainer on why the Russians are so good at chess.
* Oh, right, and there's water on Mars also.
* Why I love the BBC: eel migration and butterfly migration.
* Unexpected benefits: global recession causes a drop in carbon emissions
* Gallery: yesterday's action stars in their old age.
* Downside of the Marvel purchase: a glut of Marvel movies coming. And with that volume, I doubt they'll all be top quality.