Mental Floss

LISTS

There are several ways to celebrate the holiday.

Why do people wear green on St. Patrick's Day? And why do they eat corned beef and cabbage? Let’s dive into the origins of some popular ways to celebrate St. Patrick’s Day.

Mary Beth Skylis


Felt cute, might be prickly later.

Did you know hedgehogs have between 5000 and 7000 quills? This is just one of many intriguing hedgehog facts that animal lovers should know.

Hannah Keyser




These sayings are great craic.

Discover the vibrant Irish culture through its language and slang. Learn key phrases to use on St. Paddy’s Day and beyond, from ‘craic’ and ‘sláinte’ to ‘céad míle fáilte’ and ‘may the road rise up to meet you.’

Fiona Moon


The British royal family has been dogged by conspiracy theories for more than 1000 years.

From secret love children to political assassinations to accusations of vampirism, the British royal family has been the subject of many bizarre conspiracy theories over the course of its history.

Paul Anthony Jones
A quartet of northern pintail ducks in flight.

Discover fascinating facts about ducks, from their adaptation to cold temperatures to their rude nesting habits.

Yelena Melnichenko




There's a super-sized history for this treat that keeps on giving.

Discover the fascinating history of fried potatoes, including French fries and their roots in France and Belgium. From tots to hashbrowns and more, the food origins behind these yummy side dishes may surprise you.

Michele Debczak


Those Illuminati rumors still haven't gone away, HOV ...

Whether it's about Taylor Swift and Travis Kelce or Jay-Z’s part in the Illuminati, these music conspiracy theories are good for a laugh—and maybe a deep-dive on Reddit (or two).

Rudie Obias


Being this cute and well-liked takes a lot of work.

Curious about the most popular dog breed in your state? From feisty Chihuahuas to chill golden retrievers, discover which canine variety has your neighbors feeling the most captivated.

Rudie Obias








You’ll want to work these Scottish slang terms into conversation.

Curious about Scottish slang? Learn the meanings of terms like ‘git awa’ and bile yer heid’ and impress your friends on your next visit to Scotland.

Michael Thomas Kincella