Last Week's Most Popular Stories

In case you weren't obsessively refreshing mentalfloss.com all week, here's what you missed:
1. The Actor Inside R2-D2 Was Not a Fan of the Guy in C-3PO, by Colin Perkins
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2. 13 Disturbing Pieces of Art from History, by M. Asher Cantrell
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3. 10 Things Created Over a Couple of Beers, by Stacy Conradt
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4. Why Aren’t There B Batteries?, by Matt Soniak
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5. How Every School in the AP Top 25 Got Its Nickname, by Scott Allen
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6. Will the Real Super Mario Bros. 2 Please Stand Up?, by Chris Higgins
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7. 4 Royal Scandals Juicier Than Prince Harry’s Strip Billiards, by Kathy Benjamin
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8. Why Can’t You Remember Being a Baby?, by Julia Davis
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9. 6 Students Who Lost Their Diplomas Over Controversial Graduation Speeches, by Adrienne Crezo
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10. The Dirty Etymology of 9 Everyday Words, by Romy Oltuski
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11. 5 Newly Discovered Creatures That Will Haunt Your Nightmares, by Lauren Hansen
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12. 8 Sounds That Are Trademarked, by Kara Kovalchi