Weekly Webcrawl: What science was doing while I was being cold

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It was freakin’ cold this week in Boston. Also, appar­ently in Chicago: this is Lake Michigan, com­pletely frozen over. Photo via NASA’s Mod­erate Res­o­lu­tion Imaging Spec­tro­ra­diometer (MODIS).

Phew! It’s been a busy week in the scl­o­gos­phere (that’s my new term for the sci­ence blog world). Here are some highlights: