Bright Side

Have you ever wondered what that little hole at the top of your sink is for? Or did you know that the majority of hiking backpacks have a secret feature that can literally save your life? Many seemingly plain things you use every day are hiding some unexpected secrets. Shopping carts, for example, have a grid system instead of being solid for a reason. One of them is for the supermarket staff to see what's in your cart more easily.

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Have you ever sat on the bus and wondered why the seats are covered in strange multi-coloured prints? They look like they've been there since 1980s, right? Actually, they are there for a reason and you might find it pretty appalling when you learn about it. This pattern serves some purpose and I'm ready to share it with you.

Some more unusual facts about vehicles are coming your way! We all know that school buses are yellow, right? But have you ever wondered, why indeed yellow - not orange or green? Also, I finally learned why buses have huge steering wheels. Another question about vehicles: why do many trucks have thos stuffed toys attached in front of them?

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Despite what many people think, moving backward isn't entirely impossible for an aircraft (of course if we talk about traveling on the ground). It's another matter that they never do. Some planes can perform a so-called "powerback," which is the very thing that makes it move in reverse. In this case, a plane's jet engines direct the thrust forward instead of backward.

Jet airplanes can use the reverse thrust if they need to brake as fast as possible after the touchdown, or when they need to make an emergency stop. Anyway, if planes can potentially taxi backward, why don't they? And what about flying in reverse?

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If you ever notice a huge flock of birds near the water, the best you can do is sit back down and stay away from the it! Fish are a staple of many diets across the animal kingdom, both above and below the ocean. If you decide to get closer, anyway, you're risking an encounter with a creature that can measure up to 20 feet long. That's three times the size of an average human, and these are the size credentials of a great white shark. Let's find out if it's really that dangerous.

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Many years ago, a huge asteroid found the worst possible angle and place where it could land on Earth. But let's imagine the asteroid falling in another place – somewhere in the middle of the ocean. Huge waves flooded part of the land, but almost all kinds of dinosaurs survived. Or even better – the rock could have fallen somewhere in the desert and left behind a giant crater. Who would dominate the planet today, and would we be able to develop as humans? 

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How Long Can You Survive without Oxygen? You live, work, sleep, eat, and have fun without giving a second thought to the miraculous substance that makes it all possible: oxygen. Most of us can go without it for about half a minute before our body demands a breath of this gas. Can you imagine what would happen to our planet if oxygen disappeared for just 5 seconds? Spoiler: the results would be disastrous.

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Many of us would like to own just one inexpensive and effective item that we can use for self-care. In fact, this magical thing exists. 

Did you know, for example, that you can apply some petroleum jelly to the eyelids before using eye shadows? To style your hair, rub petroleum jelly between your fingers and apply it to your hair. The main thing here, as with other styling gels, is not to use too much. Believe it or not, you can replace almost all of your cosmetics products with petroleum jelly. How is this possible? Watch the video and take note.

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To be or not to be, that is… not a question anymore. Aisle seat or window seat — now that is the question! If you ask people where they prefer to sit on a plane, you’ll get tons of different opinions. But is there really some bottom line to this debate? 

What can be more beautiful than a city from a bird’s eye perspective? Looking outside just isn’t the same when you’re not next to the window, no compromise here. An aisle seat gives you plenty of leg room, which can’t be said about window seats. But what about the middle seat? Does it have any advantages? 

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There're so many things in the world we absolutely have no idea about: curious animals, mysterious places, unusual processes in our own bodies. Plus, scientists make new discoveries every now and then. It's so difficult to pay attention to everything new going on - and you don't even need to. You just have to know at least 10 of the facts from this video - and you'll be the most interesting person in the room.

For example, did you know that nails grow with different speed on your hands? Nails on your dominant hand grow much faster. Are you looking at your fingers right now? Good! This is what you can tell your friends in your next smart conversation.

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You take it with you everywhere you go, and you get anxious if it’s not right at your fingertips. No not your BFF. It's your smartphone, of course. They’ve changed a lot over the years, but some features of our trusty devices have stood the test of time way better than others. You can do just about anything on your phone through your touchscreen. So why do smartphones still need physical volume buttons? 

There are a whole bunch of apps for communication nowadays. So why do phones still have text messaging? What about the star and pound keys on your dialing pad? We started using them 40 years ago. They’ve survived on smartphones because they’re still very useful. So, let's see what smartphone features have actually changed over the years and what smartphones of the future will look like!

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