What If?: xkcd answers your weird hypothetical science questions with physics and humor. This week's question: "What would the world be like if the land masses were spread out the same way as now - only rotated by an angle of 90 degrees?"
Also from xkcd, When Will We Forget?. This just makes me feel horribly, depressingly old. That last item is oddly comforting, though.
Gallery – Curiosity’s triumphant first week on Mars: I meant to link to this sooner. After all Curiosity's been there nearly a month now. But what the heck. It's still cool. In fact, some of these pictures are pretty damned amazing.
What Kind of Book Reader Are You? A Diagnostics Guide and Many More Types of Book Readers: A Diagnostics Addendum: I am the All-the-Timer/Compulsive/Voracious/Anything Goes Reader. Hoo boy, am I.
Science confirms ‘Doctor Who-type world, Gallifrey’: That's right! Scientists have found Gallifrey! Or possibly Magrathea. (Or maybe they just like catching people's attention by drawing science-fictional parallels to things. Have you heard about Naked Darth Vader?)