Tattoos are not just pretty pictures etched into the skin. Here are some interesting facts you probably didn’t know.

A reddit user posed the question, “What is the happiest fact you know” and these were some of the replies.

This electronic circuitry is a vital part of the computers we use every day and now you can see just what it looks like on every level.

These 15 different cultures all have their own way of greeting one another and it is advisable to know the right way to say hello if you are ever travelling.

Here are a few interesting and bizarre facts about one of the world’s cruellest leaders.

In the 21st century, these otherworldly ideas are no longer ludicrous concepts but actuality.

This famous flying fortress is as tall as a six story building and is nicknamed the "flying Oval Office". It is a custom custom Boeing 747-200B that comes fitted with a conference room, dining room, private quarters for the president, offices for senior staff members, a medical operating room (a doctor flies on every flight), press area and two food-preparation galleys amongst other things. It costs a whopping $206,337 per hour of flight.

These pictures give a good indication of what the Earth’s sunset would look like if we had other stars instead of the sun in our orbit.

These odd services are actually all available at a cost and people do pay for them too.

Did you know that the predators of today are nothing compared to those that existed millions of years ago? These prehistoric predators are quite imposing and would be terrifying to encounter in modern times.

The Japanese culture is quite different and when you learn about some of their customs you will be surprised how weird this culture really is.