Erin McCarthy

Erin is the Editor-in-Chief of MentalFloss.com. Previously, she covered everything from natural disasters to bridge engineering to the science behind sci-fi movies for Popular Mechanics magazine. When she's not editing or writing, you can find her karaoking, reading non-fiction, watching Investigation Discovery and hockey (go NYR!), or hanging out with her cats, Oliver and Pearl.
20 Fun Facts About Our Mysterious Feline Friends
How to Position Yourself for an X-Ray in 1910
Use this Infographic to Build Your Own Iron Throne
8 Facts About the Spiny Flower Mantis
Mr. Yuk: The History of Poison’s Most Iconic Symbol
Where Are All the Baby Pigeons?
31 Old Timey Slang Terms for "Informant"
11 Magnified Photos of Creepy Crawlies
10 Excellent Internet Riffs on True Detective
Take the Very First SAT
Adorably Perplexed Kids React to Rotary Phones
The High-Tech Exosuit That Takes Divers to 1000 Feet
12 Things We Learned About Buffy from Sarah Michelle Gellar's Reddit AMA
Q&A: Dawn Barkan, Head Animal Trainer on Inside Llewyn Davis
10 Photos of Adorable Puppies at the American Kennel Club
It's College Weekend!
14 Things We Learned from Bill Murray's Reddit AMA
11 Delightful 19th-Century Australian Slang Terms
Search of the Internet Reveals No Evidence of Time Travelers
Check out the Latest Trailer for Ransom Riggs' Hollow City!
The MythBusters Take on Star Wars—See Photos Here!
10 Fun Photos of the NHL 2014 Winter Classic
32 Vintage Photos of People Having a Merry Christmas
This Filmmaker Spent a Studio's Promotional Video Budget on Typhoon Relief
8 Excellent Rube Goldberg Cartoons
Attention, College Scribes Who Want to Write for Us!
Q&A: Frederique Olivier, Camerawoman on Penguins: Waddle All the Way
Q&A: Reading Rainbow's LeVar Burton
10 Facts About Poison
15 More Excellent Victorian Slang Terms You Should be Using
All of Your Favorite Famous Cats on One Poster
Last Week's Most Popular Stories
What Was Your Favorite Book Growing Up?
26 Classes We Wish Our Schools Had Offered
20 Cute and Creepy Vintage Halloween Cards
All Your Favorite Fictional Beers on One Poster
6 Animals Portrayed Incorrectly in Early Taxonomic Drawings
The MythBusters Take on Zombie Myths
10 Beautiful Photos from National Geographic's Your Shot Community
Spending Time Among the Bones of Paris's Catacombs
6 Weird Halloween Patents
10 Things to Know About Gravity
26 Halloween Costume Ideas from an 1887 Guide to Fancy Dress
20 Adorable Photos of Cats and Dogs from Meet the Breeds 2013
10 Iconic Photos from 125 Years of National Geographic
10 Things Kids Shouldn't Do According to an 1819 Book of Cautionary Tales
On This Date in 1983, Stanislav Petrov Single-Handedly Prevented Nuclear War
The Time Lil BUB Edited an Issue of mental_floss
The Late Movies: Covering the Boss
All the Original Nintendo Games on One Poster
MENTAL FLOSS

newsletter

A super-skimmable daily digest.