* Good read: Howard Kurtz on coverage the first 100 days. In-depth analysis by Dan Balz, including what this will say about the rest of his term. And winners and losers cheat sheet by Chris Cillizza.
* The definitive timeline of torture by the Bush administration.
* Dan Froomkin on a poor choice of role models for Obama's ambitious agenda.
* What adopting a white girl taught a black family.
* "The cataclysmic explosion of a giant star early in the history of the Universe is the most distant single object ever detected by telescopes." (More here.)
* New evidence of a genetic link behind autism.
* On writing cartoons for Playboy.