* Russian advice on Afghanistan.
* The EU struggles over a unified response to the economic crisis.
* The culture of bribery at Halliburton.
* The battle over the stimulus shows that Congress hasn't embraced Obama's call for bipartisanship.
* "The world's fish stocks will soon suffer major upheaval due to climate change, scientists have warned."
* The science of kissing.
* The Explainer on Catholic indulgences.
* The best Lego sets in history. (Courtesy shadorunr.)
* "Michael Bay is destroying horror films."