When we think that we live this very moment, we are wrong. It turns out, our brain tricks us so we're always 15 seconds out of date. So basically we always live a little bit in the past. This way, your brain helps you stabilize your vision of the world around you. Your eyes receive a huge amount of visual information and they need a little time to process it. Let's find out how it works. Here're 13 coolest body facts that'll help you realize how unique and special our bodies are. You'll find out why you produce more saliva when you go for a run. And how you can burn calories while thinking. Have you ever wondered why our distant relatives, the primates, are so much stronger than us? We're gonna explore these and more questions about human bodies... #brightside

Do you like traveling by plane? It’s probably the fastest way to get from point A to your destination B especially if it’s in another country. But how well do you know planes and how they work? Here’re the coolest plane facts that’ll surprise even the most experienced traveler. An oxygen mask deploys automatically in case of loss of cabin pressure. It might happen due to some problems with the fuselage or malfunctioning of the valves pumping air into the plane. But most of these incidents aren't dangerous – if the masks deploy as they are supposed to. But did you know these masks actually have no oxygen?

Why do potato chips bags always have plenty of air inside? Don't be mad about their designers thinking they're just trying to make the bag seem full. It turns out, potato chips are actually that tasty thanks to that air! Not only does it protect the chips from breaking during transportation but also keeps them fresh for longer... Let's see how it works. Here're 30+ hidden secrets about everyday objects surrounding us. Why do crackers have holes in them? Are margins on paper designed for writing in dates and numbering lists? And what’s the difference between a wooden hanger and a plastic one? You'll find the answers to these and more questions in this video.