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Scientists have found a strange golden orb at the bottom of the ocean, and no one knows exactly what it is! This mysterious object was discovered off the coast of Alaska during a deep-sea exploration. It’s soft, shiny, and looks like something out of a sci-fi movie. Some researchers think it might be a type of marine egg or sponge, but they're still scratching their heads. They’ve brought it to the surface for more tests to figure out its true nature. And it's just one example of a cool natural mystery on our list - let's discover some more!

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00:00A remote survey vehicle, Okinos Explorer, found this mysterious golden orb in the Gulf of Alaska,
00:08about two miles deep underwater.
00:11No one can say what this thing is.
00:13It's a strange object just four inches wide, and it was firmly stuck to some rock.
00:18When you touch it, it's smooth, soft, feels like flesh.
00:22You can even see a hole in it, as if something escaped from there.
00:26But what?
00:30Divers brought the mysterious orb to the lab from the Pacific Ocean.
00:34They felt like in the beginning of a horror movie.
00:36Almost as if if you poked this thing, something would jump at you.
00:40This could happen if they had found it sooner.
00:42The hole in that orb means something alive tried to get inside or break out from inside.
00:48Which is why scientists assume that this is an egg.
00:51We might have discovered a new species, or a new life stage of some species we already know.
00:56Some species do lay their eggs on the ocean floor, like squids.
01:01Although, if that's the case, then these animals might be gigantic, because that egg is huge.
01:10But maybe it's not an egg.
01:12Maybe it's a sponge.
01:13They found this thing surrounded by white coral, where sponges usually vie.
01:18Just months before this discovery, scientists found more than 5,000 new marine species
01:23in a tiny space between Hawaii and Mexico.
01:26The Gulf of Alaska is home to 52 more species, with tons yet to be identified.
01:32So, maybe it's just one of those sponges we haven't discovered yet.
01:36Or it might be a coral, or something entirely different.
01:40The only thing scientists know for sure is that the thing is a living organism.
01:45They're planning to move the orb to a more advanced lab to conduct DNA testing and reveal more about it.
01:51And it's not our first horrifying discovery from the oceans.
01:58In 2013, two rare locomotives were discovered under 90 feet of water off the coast of New Jersey.
02:05Scientists think that both of them were lost in the 1850s.
02:09For something that's been underwater for 160 years, they're in very good shape.
02:13Even with layers of rust and barnacles.
02:17You can even see their smokestacks.
02:19And they sit upright, as if ready to pull into a station any minute now.
02:23They're not sure where these locomotives came from.
02:26There's no historical record of them being built or lost,
02:29which makes their discovery even more mysterious.
02:32They have strangely rare steam engines.
02:35Both about 15 tons, lying 5 miles off Long Branch.
02:39The engine models were already outdated even back when these trains were made.
02:43They were small and powerful, but were only produced for a short time.
02:48Perhaps they were on a journey from Boston to the Mid-Atlantic.
02:52Then a storm struck.
02:53It caused them to either fall off a barge or to be deliberately pushed off to save the ship.
02:59Scientists wanted to restore the locomotive to learn more about them.
03:02And this isn't the only gift to the seas humans left behind.
03:06Jeff Bezos, founder of Amazon, has found the Apollo 11 F-1 rocket engines in the ocean.
03:15During the 1969 Apollo 11 mission, the Saturn V rocket used five powerful F-1 engines in its first stage.
03:24Each of them produced 1.5 million pounds of thrust.
03:27They burned 6,000 pounds of fuel per second.
03:31A million and a half times that of a regular car.
03:34These engines burned for a few minutes before falling back into the Atlantic Ocean.
03:38Jeff Bezos got inspired by this story and began the search for those engines about a year ago.
03:44The team used an advanced deep-sea sonar.
03:47They finally found the engines 14,000 feet below the ocean surface.
03:51Scientists aren't sure what the conditions of the engines will be.
03:54They did have a super-fast impact with the ocean, after all, and then laying over 40 years in saltwater.
04:01But they were built from very tough materials, so hopefully we'll be able to study them.
04:06Ideally, Bezos wants to recover them.
04:09They're still a NASA property, but he hopes to display them in museums like the Smithsonian or the Museum of Flight in Seattle.
04:18Can you imagine finding the famous yellow brick road from the Wizard of Oz at the bottom of the ocean?
04:24This thing looks like a man-made road, but believe it or not, it's a natural volcanic structure.
04:31Divers were exploring underwater volcanic mountains called seamounts in Hawaii.
04:36They wanted to investigate a split in the seamount trail.
04:39They live-streamed their journey and suddenly stumbled upon something fascinating.
04:44A pattern of cracks in the seabed that looks like a brick road.
04:47They used a robotic arm to pick up the rocks.
04:51The rocks had distinct rectangular blocks separated by straight lines and right angles.
04:56Someone joked that it might be a road to Atlantis, and another called it a yellow brick road, hence the name.
05:02But after some study, scientists discovered that this dry lake bed was made by super-energetic ancient volcanic eruptions.
05:10This is actually fractured hyaloclastite rock.
05:14Since the volcanoes were going crazy, they heated up and cooled down repeatedly, until they created this unique cobbled pattern.
05:23On June 20th, 2011, the OceanX diving team discovered something extremely weird.
05:29They were searching for treasure in the northern Baltic Sea in the Gulf of Bothnia.
05:33Instead, they found an anomaly.
05:37The thing, dubbed the Baltic Sea Anomaly, logically, looked very weird and unnatural.
05:43The anomaly is almost 200 feet wide.
05:46It looks like a mushroom, rising about 10 to 13 feet from the seabed.
05:51It also has a huge disc shape, twice the size of a football field.
05:55The main part of the anomaly has straight edges and box-like structures.
05:59The top has cracks filled with some unknown black material.
06:03And it's not made of metal.
06:06The object lies about 300 feet deep in the Gulf's waters.
06:09The main mystery is why it's there.
06:15This discovery did create buzz in mass media.
06:18Some people started saying that it might be a sunken extraterrestrial ship,
06:22the remains of Atlantis, or a portal to another world.
06:26These claims got even more support when we found weird pavement-like platforms surrounding the object.
06:32It kind of looks like a staircase.
06:33And on top of that, explorers reported that their electrical equipment,
06:38like sonar instruments and satellite phones, malfunctioned near the thing.
06:43And it's not even some random reports.
06:45Researchers from different institutes said that as well.
06:49But scientists think that this is, most likely, a natural geological formation.
06:53Even if it doesn't look like it.
06:55Although they can't really explain what that formation is supposed to be.
06:59They have many theories.
07:01It could be linked to human evolution, a glacial deposit from the Ice Age,
07:05a result of volcanic activity, and so on.
07:08Maybe it's even the remnants of an asteroid that landed on the seafloor thousands of years ago.
07:14But none of these theories explain why electronic equipment stops working near it.
07:18Who knows?
07:19Maybe we'll learn the truth someday.
07:21But how about technologies that came to us from the distant past?
07:29This strange thing is often called the first known analog computer.
07:33It's called the Antikythera mechanism.
07:36We discovered the mechanisms in 1901 near the Greek island of Antikythera.
07:41It might be from around 87 BCE.
07:44They found it in a shipwreck, in incredibly good shape for being so old.
07:49The thing was super complex.
07:51Machines of similar complexity didn't appear anywhere in the world until the 14th century.
07:57There was also a mysterious lump.
07:59When they separated into multiple fragments, they found inscriptions inside.
08:04They were hard to read because of all the corrosion.
08:07But when they deciphered it with x-ray,
08:09they discovered that these were the instructions, telling how exactly to use it.
08:14Wow, what a gift to archaeologists!
08:17So, it turns out the mechanism was made to predict astronomical positions and eclipses decades ahead.
08:23Ancient scientists used this computer to track the four-year cycle of athletic games,
08:28similar to the ancient Olympics.
08:30The mechanism had a very intricate structure of 37 bronze gears
08:35that tracked the movements of celestial objects.
08:38But at least here, we know that these things were made by humans.
08:42Right?
08:44Right?
08:45Maybe.
08:45There's a number of
09:02for example, now, they have been sacrificed to 38 pianos.
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