The McDonald’s mascot has been keeping a low profile for years. Some people think they know why.

BIG QUESTIONS
If humans ever become a multi-planet species, some would have to spend years in space. And researchers have definitely speculated whether space travel would allow for reproduction.
Those unsightly black marks even have a name: mirror rot.
These narrative forms are similar, but not exactly the same.
These planned communities became popular in the U.S. after World War II.
We know cats purr for a variety of reasons. But the actual mechanics of how they make their signature sound remains unclear.
Let’s take a look at a few of the rules regarding duties and declarations, and see what's up with the duty-free shop.
Dasani bottled water was poised to take the UK market by storm, but shortly after it was released in 2004, Coca-Cola yanked it off shelves. Discover the real reasons why here.
Considering the near-magical function mirrors perform, their construction is surprisingly simple.
Leaving an airport involves getting briefly stuck between glass doors. There's a reason for that.
The U.S. Constitution doesn't specify how many Supreme Court justices are necessary—and there weren’t always nine on the bench.
The sleeves might be performance enhancers. Or not.
Anyone who has ever played ‘Tetris’ knows how addictive the ’80s video game can be. Scientists say the Tetris Effect may even have psychological benefits for people coping with PTSD.
How did daytime dramas like “Guiding Light” and “General Hospital” become known as “soap operas”? It's all thanks to commercials.
Do you often mix up antiques, memorabilia, and collectibles? If so, it‘s about time you learned the difference.
What it is, what it's used for, and whether it lives up to the hype.