Aphantasia is a little-understood phenomenon that affects about 4 percent of the population. There are several theories behind what causes it.

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Hubcaps might seem purely decorative, but they serve an important purpose for your car.
The author, who was born 100 years ago on March 25, was really into mayonnaise—and peacocks.
On March 24, 2005, American audiences got their first look at the scrappy team at Dunder Mifflin’s Scranton branch. Can you hear ‘The Office’ theme song already?
ESA Doctors is hiring a “Chief of Pet Flicks“ to watch animal movies and write about their impact on mental health.
If you're from a town with a strong union presence, you know that if new commercial construction happens without union labor, protests often follow.
A one-of-a-kind spicy Cheeto, shaped like Charizard, has become a viral sensation, selling for an unbelievable price at auction.
These active backyard birds are more than just cute—they’re hardy survivors that have conquered the continent and are teaching scientists new things about avian evolution.
No one likes waxy earbuds. Fortunately, there are several steps you can take to remove all the gunk.
In these states, a trip to the grocery store is tough on the wallet.
The riddle below dates back to the 1920s—can you figure it out?
Freezing a portion of a wedding cake is a centuries-old tradition. If you’re going to freeze the top layer of your wedding cake, make sure you do it right.
These creatures don't live in Middle-earth—but they sound like they could.
We give you an obscure word with four definitions—one correct, three made up. Can you identify the correct one?
To predict quakes, scientists have to understand how they occur, what happens just before and during the start of one, and whether it shows signs that movement is imminent. So far, none of those things is known.
The fix-up novel, which turns 75 this year, would become one of Bradbury’s most famous books—and inspire future scientists.