Some researchers argue that there's no limit to how long we can live. But let's they, there is a limit, and the limit is 300 years. If our lifespan triples, at 50 years old, we might be considered a teenager. Since we have more than 2 centuries to live, it’s like every minute we had suddenly became 3 minutes long. You’d be grandparents, maybe at the age of 230! What else would it change?

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Imagine you wake up one day, and it turns out that you're the only remaining person in the whole world. What would you do first? The world is your playground, and you can do whatever you want. Want to drive a sports car at lightning speed on the freeway? Go ahead, because there's no traffic to hold you back! Feel like playing a round of golf from the top of a skyscraper? But what it would be like in the long run?

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We all know the story of the Titanic and the iceberg that took it down. But new research has come to light that debunks this theory. It’s hard to believe that such a massive and expensive creation could be destroyed by one simple iceberg, right? Can you believe that most probably the fire on the Titanic had been burning at extreme temperatures for three whole weeks before anyone noticed it? One of the biggest mistakes made on the Titanic was the decision to not include enough lifeboats. But it also turns out that the captain had his dark secret.

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Did you know that Titanic wasn't the only one of its kind but actually had two sisters – the Britannic and the Olympic? And when the Titanic was sinking, one of its sisters was actually on its way to help, but unfortunately, it didn't make it in time. The Olympic was supposed to be the real deal, but after just two months, it crashed into the HMS Hawke. In the tumultuous 1910s, The Olympic was put into service and played a crucial role in transporting over 200,000 passengers, including refugees and servicemen. The Britannic had a completely different destiny.

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What if pressing only one key could change your life forever and make it much easier? If we were in Minecraft, everything would be possible! Too hard to live? Too many tasks, deadlines, school classes are tedious, and you just can’t go on like this? Change your life mode to somewhat less challenging – just press Escape! Adjust your life difficulty choosing peaceful, easy, normal, or even hard for those who like it tough. If your teacher is as hostile as a green and white pixelated creeper, choose the peaceful mode – monsters don’t spawn there. As for appearance, no more worries about pimples! Now that you’re pixelated, nobody’s gonna ever notice them. You look the same every day, your haircut, even if you hate it and can’t wait for your hair to grow, never changes, unless you change the skins. You can’t grow or lose some pounds. What else would be different if Minecraft was real life?

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Can you be 'downgraded' on a flight? You arrive at the airport, anticipating a pleasant flight - after all, you've paid more for that extra legroom! Or a comfy window seat. Or a business class. That's when you find out you've been.. downgraded! How come? And if you can get downgraded, is the opposite possible too? Then, what other secrets do airlines hide?  Experts claim downgrades do happen - and rather frequently at that! The reasons vary: the airplane can get unexpectedly swapped for a smaller one because of some technical issues. There have also been cases when people bought first-class tickets only to find out later there was no first class on the plane whatsoever! But the rules of downgrading and upgrading aren't the only secrets airlines, flight attendants, and airport staff don't want you to know. Interested? Then check out these surprising facts every traveler will like to know.

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One of the most famous images taken by the Hubble Space Telescope is the "Pillars of Creation." It's a photo of a region of the Eagle Nebula where new stars are born. The Hubble Space Telescope continues to operate and make important scientific discoveries, despite some initial technical difficulties. From time to time, we discover some light coming from places where we didn't expect to see it, like from between planets. This light may be coming from deep within our Solar System, and it may be a new phenomenon that hasn't been studied before.

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Have you ever dreamt about visiting Mars? But then again, how would you survive there without water. If you've been imagining it as an extremely dry place, you might need to change your opinion! Scientists think there could have been a lot of water on Mars in the past. They've found loads of ancient river valley networks and lake beds on the surface of the Red Planet. Plus, on Mars, there are minerals and rocks that could have only formed in liquid water.

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Will humans ever relocate to some other planet in the Solar System? One of the most popular candidates for this role is Mars, but what about other options? Ceres is the ultimate cosmic treasure trove. It's a dwarf planet, not a full-fledged one — just like Pluto. It’s located in the asteroid belt between Mars and Jupiter. This dwarf planet is the closest to the Sun, and it’s adorably tiny - sounds good so far.

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Over millions of years, our planet has changed a lot. Ice ages, shifting tectonic plates, global floods, meteorites. Whole species of animals have come and gone over millennia. At some point in all of this, we humans came along. Now imagine a place that was cut off from the rest of the world for 5.5 million years, possibly much more. A place that no human had ever set foot in before. In 1986, we finally found it, Movile cave.

This cave contains 48 species, 33 of which are completely new to us. Strange white snails crawl along the walls and transparent shrimps, even small leeches, swim in the water. White centipedes with huge whiskers and transparent spiders shuffle around. There are even 2 species of scorpion. Water scorpions and another kind, as yet unidentified. It’s not exactly your typical desert scorpion. Actually, nothing around here looks…normal. These are probably the weirdest creatures in the whole world.

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