You can google anything you want on the Internet. It's full of answers to any questions, lifehacks, or tips to solve any problem. But isn't it so much cooler to impress you friends or classmates with your knowledge even without peeping at the screen of your gadget?

For example, have you ever wondered why beds aren't right on the floor? A long time ago, people didn't elevate their mattresses off the floor. This practice started in ancient Egypt and continued in many other cultures. Why was it convenient? And why do we still make beds so high off the floor?

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