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A Wonderfully Nerdy Marriage Proposal at the National Book Festival

Andréa Fernandes

Like most 20-somethings using social media, my Facebook newsfeed often features "Jane Doe is now engaged to John Smith" posts, with requisite thumbs-up, squeals of glee from friends, and pho

8 People Who Played Presidential Candidates in Mock Debates

Julia Davis

You’ve probably heard that Barack Obama recruited Massachusetts senator and ketchup-magnate-by-marriage John Kerry to play Mitt Romney in mock debates.

Roses Don't Smell as Sweet to Psychopaths

Meghan Holohan

FBI.gov By most accounts, Ted Bundy was handsome, charming, and intelligent. He was also violent, manipulative, amoral—and exhibited many of the hallmarks of a psychopath.

15 Offbeat Holidays You Can Celebrate in October

Laura Turner Garrison

Need a reason to celebrate this month? Look no further than the list below. October 1st: National Homemade Cookies

Triceratops vs. Torosaurus: The Dinopocalypse

Chris Higgins

So you may recall that back in 2010, Jack Horner, the famous paleontologist who partly inspired Jurassic Park, co-authored a paper arguing that the dinosaur Torosaurus didn't exist -- that in fac

The West Coast EPCOT That Never Was

Stacy Conradt

EPCOT opened 30 years ago today. Here's a look at the proposed West Coast version from a story Stacy originally posted last

Brain Game: Math Square #140

Here's a brand new mentalfloss.com Brain Game Monday Math Square challenge.

Morning Cup of Links: Fall of the Dinosaurs

Miss Cellania

Arnold Schwarzenegger Comes Clean. The retired bodybuilder, actor, and politician stirs up publicity to sell his memoirs, out today. * Ten Fascinating Facts About Alpacas.

World War I Centennial: Even Bigger Battleships, Part III

Erik Sass

Installment #38: With an international naval arms race stoking paranoia on all sides, in 1912 ship designers around the world brought their “A” game with designs for the biggest, most powerful ships t

5 Behind-the-Scenes Secrets From Cheers

Kara Kovalchik

Thirty years ago tonight, an ensemble comedy set in a Boston bar debuted on NBC.

Last Week's Most Popular Stories

Jason English

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

The Sad Story of Leuser, the Sumatran Orangutan

Jill Harness

Think cats are the only creatures with nine lives?

Weekend Links: The Accuracy of an Internet Self-Diagnosis

Allison Keene

The New Yorker's Atul Gawande shared a link for us self-diagnosers to consider: a study of Googling for medical advice reveals that in tests, 1/4 of sites offer outright wrong / unsafe informatio

Alternate Histories: 7 More Ways the World Could Be Completely Different

Mark Juddery

We previously covered some of the many alternate histories out there. Here are seven more intriguing ways the world could be completely different. 1.

9 of the World’s Weirdest Museums

Jill Harness

While museums dedicated to Spam and barbed wire are strange in their specificity, some museums are just plain bizarre in their subject matter. Here are some of the weirdest museums ever curated. 1.