In case you weren't obsessively refreshing mentalfloss.com all week, here's what you missed:

1. 19 Fun Facts About Children's Books Spotted at the Library, by Jason English
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2. 15 Spectacular Libraries in Europe, by Jill Harness
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3. The Time Groucho Marx Did the Charleston on Hitler’s Grave, by Stacy Conradt
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4. 10 Things You Might Not Know About Gone With the Wind, by Stacy Conradt
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5. 17 Offbeat Holidays You Can Celebrate in May, by Laura Turner Garrison
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6. The Bat Symbol’s Evolution, by Chris Higgins
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7. Shattered Dreams: 9 Tales of Damaged Trophies, by Scott Allen
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8. 8 Bizarre Children's Book Themes Dr. Seuss Never Covered, by Jill Harness
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9. The Weird World of Country-Specific Web Domains, by Chris Higgins
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10. What Causes That “Fresh Cut Grass” Smell?, by Matt Sonia