BIG QUESTIONS

What goes on inside a windmill?

When Johannes Gutenberg invented the printing press in 1440, he couldn’t have foreseen how his humble creation would eventually lead to a global industry churning out millions of books each year.

Can you have a planet that isn't round? And what do potatoes have to do with it?

The answer may have something to do with your brain's chemistry.

It can, but because of a different kind of "stress."

Go ahead and splurge on those industrial-sized boxes of cereal.

No, it's not to make them more terrifying.

One carries the water tank, the other transports the firefighters.

Birthmarks? Accessories? A bizarre form of intimidation?

Short answer: Riding in a car can may make your brain think you’ve been poisoned, and reading makes it worse.

After a long, snowy winter, it’s hard to resist the allure of warm summer days. Of course, they can come at a cost—including a sunburn. While it’s a well-known advisory for humans to slather on that SPF before taking in the rays, what about animals?

You shut off the shower faucet, open the curtain, and whoosh! Human popsicle.