Yawning is so contagious that it can spread to dogs and monkeys.
In 17th-century Boston, wishing a fellow colonist so much as a "Merry Christmas" meant shelling out five shillings for flaunting the Yuletide spirit.
A number of films and television shows once thought lost have been rediscovered, quite unexpectedly, in many unusual ways.
Good morning, moon. Didn’t realize you decided to stick around after we bid farewell last night.
Wonderful libraries are everywhere, each one home to a unique collection of the world’s knowledge and history. The collections in these libraries, though, top the charts.
These cakes look they should be served out of a drive-through window.
Christmastime in Nazi Germany.
You’ve probably forgotten many of the men who made the series so great.
Want to kick your kitchen game up a notch? Learn these nine techniques and watch as your food gets even more delicious.
In case you weren't obsessively refreshing mentalfloss.com all week, here's what you missed.
T.S. Eliot was poised to be the top poet of his generation. But first he had to be rescued from his day job.