This Day in Blogging History: German prince's volcano; Whitewashing Sarah Palin on Wikipedia; Suburbs make you fat

One year ago today
That time a German prince built an artificial volcano: When a 18th century German prince visited Mt. Vesuvius in Naples, he insisted on building a replica of it on his estate back home.

Five years ago today
Who scrubbed Wikipedia's entry for Sarah Palin just before nom announcement? Some suspicious whitewashing went down in Sarah Palin's Wikipedia entry just before she was revealed as the GOP's candidate for vice-president.

Ten years ago today
Suburbia makes you fat: Suburbs built without sidewalks are strongly correlated with net weight gain for residents of those regions.