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Why Do We Say That Love Makes People Go “Weak at the Knees”?
In honor of Valentine’s Day, discover the origins of the phrase ‘weak at the knees,’ including its ties to ancient Rome and even astrology.
BIG QUESTIONS
Do Pillows Really “Expire”?
Pillows work tirelessly to hold your head up. Here's how to know when they've had enough.
Why Is the Flu Seasonal?
Like clockwork, flu viruses seem to strike more people in winter than in any other season—and there are several reasons for that.
What Does the Ship Designation ‘SS’ Mean?
The initialism was originally a bit of shipbuilder marketing—and now there are many different kinds of ship designations.
Why Does ‘Zzz’ Mean Sleep?
How did we come to associate sleeping and snoring with the letter ‘Z’? The origins trace back farther than you might think but are tied to early 20th-century American comic strips.
Why Do We Say Storks Deliver Babies?
There comes a point in every child’s life when they ask where babies come from, and some parents—not wanting to explain the details of reproduction just yet—turn to the story of storks. We explore the origins of a myth that has been around for centuries.
How Did the Super Bowl’s ‘I'm Going to Disney World’ Slogan Originate?
One throwaway comment turned into a long-lasting Super Bowl tradition.
Ship vs. Boat: What’s the Difference?
You will instantly reveal yourself as a landlubber if you refer to a ship as a boat. Here’s how to tell the difference.
How Do Octopuses Poop?
The funnel they use to get around serves a dual purpose.
Why Did the Super Bowl Move From January to February?
The big game used to be a January staple. Now it’s in February, and it may not be done moving yet.
Why Do We Call the Country “the Boonies”?
We have the military to thank.
How Accurate Are Punxsutawney Phil’s Groundhog Day Weather Predictions?
The stats indicate that practice doesn’t always make perfect when it comes to mid-sized meteorological rodents.
Why Do People Propose on One Knee?
The origins for this marriage proposal tradition go back to the days of knights and courtly love.
What's the Difference Among the Grammys’ Album, Record, and Song of the Year?
Each is a prestigious win at the Grammy Awards, but these similar-sounding prizes are given to different music industry roles.
Why Can’t We Open Hotel Room Windows?
Hotels have several good reasons to prevent guests from cracking open a window.
Why Are Tennis Balls Fuzzy?
Why the humble tennis ball needs to sport a little hair, explained.
Why Are They Called the “Grammys”?
No, the Grammys weren’t christened to honor someone’s grandmother.
Do Astronauts Do Laundry in Space?
Tossing stinky socks in a washer isn’t really an option once you leave Earth.
Where Did the Phrase ‘Neither Confirm Nor Deny’ Come From?
We cannot confirm nor deny we have an explanation.
How Do Dog Whistles Work?
The ultrasonic training instruments are easy to use. But there’s a dark history behind their inventor—and their initial purpose.
Why Does Plastic Never Fully Dry in the Dishwasher?
Why do plastic containers stay wet, even after they’ve gone through the dishwasher? Turns out, science is to blame.
Why Do Cats ‘Blep’?
We asked an expert to help us investigate the adorable causes of the tongue-lolling phenomenon.