We can hardly imagine a single day without the Internet. It's become an essential part of our everyday routines. The internet has changed business, education, social communication and many other things. It would be impossible to watch this single video without the internet. But just think about it: there are almost 750,000 miles of wires that connect the continents. How do they lay fiber cables underwater? Basically the internet travels across the ocean under water. How it possible? Here's everything you need to know about the technology that started to take shape in the 90s and became something we can't imagine our lives without.

We all know how to eat the food we like and gain weight: sugar, carbs, fast food - these contribute to fat storage. But how about the opposite situation? Here're 18 foods you can eat in big amounts, and they won't make you fat. They're low in calories and will keep you full for longer. Nutritionists suggest that foods mostly made with water are low in calories and contain fiber that helps make you feel and stay full for a longer period of time. Celery, spinach, avocado - what else is on that list?

What's going on down in the ocean depths? The ocean covers around 70 percent of the Earth and is so mysterious. We go diving, descent in submarines, satellite and rovers - everything to explore the hidden treasures of the ocean. Let's take a look at these 10 unusual creatures lurking in the ocean depths. You'll se a giant phantom jelly from the ocean's midnight zone, a goblin shark that looks super scary, a whitemargin stargazer that has eyes right on top of its head. Trust me, you don't learn about these 10 nightmarish sea creatures at school...

Flight cancellation might come as a shocker when you’re sitting in the departure lounge looking at the gorgeous bright sunny weather outside. If there’s not a raincloud or snowstorm in sight, then what gives? Oh yeah, planes can’t fly in extreme heat! In the summer of 2017, 50 flights were canceled at Phoenix Sky Harbor International Airport. The reason: temperatures were a brain-melting 120°F! In the age of super-advanced technology, it seems weird that air travel can be interrupted by an unusually hot day. The reason is actually in the nature of flight itself!

How can you tell if a person is wealthy or faking it? Here are some non-obvious signs someone is rich!

There're many things banned in space: like salt and bread, because crums can damage the equipment. When it comes to beverages, carbonated drinks are off the table as well because they're buoyant in a weightless environment. But pencils are also prohibited to use in space. Why? The answer will surely surprise you... Here're the coolest facts about space to share with your friends. You'll learn why the Moon is not entirely white and devoid of color. And why astronauts need to exercise that much while in space.

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?

Do you know everything about the objects surrounding you? When something is built or created for the first time, there is typically a logical explanation for every part of the object in question. But with time we tend to forget the initial purpose and some of the important features of the object. Here're 70+ secrets about things you see every day. From metal button on jeans to a hole in the handle of pots - you'll get to know the original purpose of these details. By the way, do you know how to tell if the boiled egg was fresh? Twist it! I'll tell you more about it at the end of the video.

Have you ever experienced this: after you’ve been using something for many years, you found out that it had some other useful features? Like a tiny detail you never even paid attention to, turned out to have an important meaning and purpose. For example, that dark rectangle at the end of your toothpaste tube. Have you ever noticed one? The markings are there for the assembly machines - this way the machines know where to cut and fold each tube. From metal plates at the front of your stapler to the little triangles above each window on a plane... Every object surrounding you has a cool detail. There are many overlooked features about the things surrounding you that actually serve a useful purpose. Let's discover the secrets of ordinary things!

As humans we see an amazing world full of colors with our eyes. But many animals see much more than us. And the way they use their vision is largely unknown to us. For example, octopuses do not have color vision but they can detect polarized light. But it's not the coolest vision out there... Mantis shrimp vision puts everything else to shame. They're the proud owners of the strangest eyes in animal kingdom. What makes their eyes so cool? No other creature has such a unique structure of its visual organ. Each eye has several pupils that constantly change their shape. They can move separately and together, focus on some small objects and see the big picture at the same time.