Erin McCarthy

Erin is the Editor-in-Chief of 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.
11 Vintage Photos from the 1893 World's Columbian Exposition
The Late Movies: Peacock Mantis Shrimpalooza
10 Fun Things to Do in Montreal
The Late Movies: Covers of "Both Sides Now"
Death! 41 Historic Demises
Incredible Colorized Slides of Africa from 1896
The Late Movies: All About Lady Liberty
11 Vintage Celebrity PSAs
11 Awesome NERF Facts—Plus, a Contest!
The Late Movies: Saw Song
5 Maurice Sendak Stories You Should Read
15 Details from the In Cold Blood Killers’ Case Files
T-Shirt Tuesday: #SMH
The Late Movies: Life in Slow Motion
Scientists Find Blood in 10,000 Year Old Mammoth Remains
49 Hoaxes People Actually Believed
T-Shirt Tuesday: Eat Locals
Incredible Photos of a Melting Ice Hotel
T-Shirt Tuesday: Gatsby Liquors
How Play-Doh Created its New Compound, Play-Doh Plus
T-Shirt Tuesday: Slow and Slinky
Stunning NASA Video and Photos of Huge X-Class Solar Flares
11 New York City Maps from Mapping Manhattan
27 Awesome Vintage Photos of Moms
What's the Weirdest Thing Your Pet Has Eaten?
CONTEST: Share Your Best Nerdy Mom Story and Win Big Prizes!
T-Shirt Tuesday: Amateur Crastination League
The Late Movies: George Clooney's Early Acting Roles
How 7 Obese Animals Lost Weight
T-Shirt Tuesday: May the Mass x Acceleration Be With You
T-Shirt Tuesday: Bald Eagle
13 Products Made Using Recycled Materials
13 Fun Facts About the Internet’s Cutest Cat, Lil Bub
Q&A: Juliette Eisner, co-director of "Lil Bub & Friendz"
T-Shirt Tuesday: Pacman Graph
Watch: Conan O'Brien's 1993 "Late Night" Audition
The Making of "The '80s: The Decade that Made Us"
The mental_floss Trivia Show is Coming to Birmingham!
Happy T-Shirt Tuesday!
We Want You ... to be a mental_floss Intern!
It's T-Shirt Tuesday!
45 Odd Facts About U.S. Presidents
How Mondo Posters Get Made
Happy T-Shirt Tuesday!
The Late Movies: Revisiting "The Voyage of the Mimi"
22 Things We Learned from AMNH's Whales: Giants of the Deep Exhibition
Incredible Infographics for Beatles Enthusiasts
22 Vintage Photos of Animals Acting Like People
14 Photos of Whale Bones (and more!) from the American Museum of Natural History's Mammalogy Department
How 10 Famous Landmarks Get Clean


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