Mental Floss

MILITARY









Space has a starting point, but where it begins is still a topic of debate for experts.

Some experts believe the Kármán Line is the deciding factor, but others aren't in agreement about where the frontier of space really begins.

the mag








D-Day: The scene of the Allied invasion on the Normandy beaches in June 1944.

The Allied forces’ Normandy landings on June 6, 1944—an event better known as D-Day—became a pivotal moment in World War II .

Mark Mancini

The close quarters of those serving together in war is a perfect Petri dish for slang. From ‘FUBAR’ to ‘fobbit,’ here are some military slang terms you should know (plus, why the military uses so many acronyms, anyway).

Mark Peters


Now you know.

The abbreviations are widely understood as “morning” and “afternoon,” but what do the Latin translations actually mean?

Ellen Gutoskey


Illustrations from 1997’s ‘Get Fit! ... How To Get in Shape To Meet the President’s Challenge and Earn the Presidential Fitness Award’

Almost as soon as it was introduced—and for generations after—the Presidential Fitness Test was absolutely traumatizing to students who had to endure it. Here’s how the program started—and ended.

Vince Guerrieri




Conspiracy theories are nothing new.

From doubt over Shakespeare’s existence to Lincoln’s assassination, conspiracy theories have been around for centuries.

Jake Rossen, Jason Serafino