BIG QUESTIONS

Fruitcake is a shelf-stable food unlike any other. So what is it that makes the holiday treat so freakishly hardy?

Why do people have such a hard time staying awake after Thanksgiving dinner? Most people blame tryptophan, but that's not really the main culprit.

Think of it as a big, wet, sloppy way of saying "I love you."

Blame it on the Royal Family—and Sir Arthur Conan Doyle.

And why do they help create fire conditions?

No, you really can't drink like you used to—nor should you.

It's been described as both the future of money and pyramid schemes. Who's right?

Of all the candies handed out around Halloween, candy corn may be the most divisive. But even if you're a die-hard fan, you might have second thoughts about the seasonal staple after reading the ingredients list.

It might have something to do with baseball in the late 1800s.

They're kind of gross, but pretty common—and almost always harmless.

The answer depends on whom you ask.

It's a question scientists have been asking for more than 400 years.