7 amazing facts about regular household objects

For hundreds of years they were essential to survival. Sometimes fireplaces would stay lit for generations so that family members could gather around them for warmth, comfort and food.

Your keys fit neatly into your pocket and sometimes they’re even small enough to get lost in the clutter. But that wasn’t always so.

In ancient Greek and Egyptian times, keys were so massive they would need to be slung over ones shoulder. Some were even as large as three feet.

The words "couch" and "sofa" are often used interchangeably but couches are meant to sit two to three people while sofas are derived from the Arabic “suffah” which was a more formal cushioned bench meant to sit for or more guests.

In fact, it was initially developed to be textured wallpaper. Yikes, it doesn't sound too aesthetic!

Back in medieval times, they would be put into walls or under floors in order to ward off evil spirits.

One Brit holds the world record for longest time anyone’s ever ironed in one go with 100 hours and 2,000 ironed items!

The microwave is among them. While general orthodoxy holds that water particles in the food absorb energy from the microwaves, some scientists still hold that the actual cause is particle interaction.