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

Top 5 Stories Originally Posted This Week

1. 8 Bookstore Cats, by Miss Cellania

2. Sly Stallone Pudding & 7 More Unique Celebrity Products, by Mario Marsicano

3. 6 Lost Works That Finally Turned Up, by Adrienne Crezo

4. 8 Library Cats, by Miss Cellania

5. Where Are They Now? Dot-Com CEOs, by Mario Marsicano

Top 5 Most Commented Stories

1. What Was Your Clique? by David Israel

2. Who Was Your Favorite Teacher? by Ransom Riggs

3. The Quick 10: 10 Variations on Tetris, by Stacy Conradt

4. The Quick 10: It Was 42 Years Ago Today…, by Stacy Conradt

5. A Brief History of Music Television, by Kara Kovalchik

[New Rule: Stories on the 'Most Popular' list have been omitted from the 'Most Commented' chart.]

Top 3 Quizzes Originally Posted This Week

Top-Selling T-Shirt in Our Store

We had a minor upset this week. “Pluto: Revolve in Peace” knocked “Hokey Pokey Anonymous” out of first place for the first time in a month. You can get both shirts here – and get 15% off when you use the code DAD before checkout.

5 Other Things We Learned

1. The difference between Chapter 7 and Chapter 11 bankruptcy.

2. How globes are made.

3. Sisters are scientifically better than brothers.

4. Bob Dole was a soda jerk.

5. Daniel Wilson is a trivia whiz.

For more important life lessons, follow the _floss on Twitter. Well, maybe not life lessons. But we’ll tell you who developed nicotine gum.