- [Narrator] Science is all
about learning the truth, of unraveling mysteries, and of finding logic where
it may seem to be absent. But not all discoveries can
be explained by science. At the very least, not for now. Here are 10 of the most
bizarre discoveries that scientists can't explain. (upbeat music)
- Amazing! - [Narrator] Number 10, Longyou Caves. Hidden deep within the remote
village of Shiyan Beicun in the province of Zhejiang, China, lie the fabled Longyou Caves. At a mere glance, it may seem just like your run-of-the-mill
ancient civilization wonder. However, it's riddled with many mysteries that baffle experts and
scientists to this day. Discovered in 1994,
the artificial grottoes are said to have been constructed as far back as 2,000 to 3,000 years ago. This puts it on the
historical map even earlier than the most prevalent Chinese dynasties. What's most puzzling is that
all the engineering feats demonstrated in making
this were simply far beyond what a pre-imperial civilization
could have accomplished. Since the caves were
built to be very spacious both in width and height,
the labour force required to build such a phenomenal
structure without machines must have been in the thousands,
working day and night. Every surface, wall and
ceiling must have been painstakingly chiseled
with parallel lines. The structural integrity
of the caves was so sound that significant degradation
is almost absent. Add the fact that it was built
in the relative blackness of the cave with only very
primitive lighting tools, and we have a very intriguing
archaeological mystery. In fact, archaeologists still don't know who exactly built the caves. The caves were initially
found completely flooded, and the builders left no evidence
or records of their stay. The only thing left
indicative of their culture were very ambiguous stone carvings. Number nine, Roman Dodecahedrons. Roman dodecahedrons may look like your average metal trinket, but they actually go way back since the start of the
second and third century CE. Usually made of bronze and stone, they are studded with spheres, and are at times covered
with weird symbols representative of that era. The catch? Nobody really knows what
they are designed for. The very first Roman dodecahedron
was excavated in 1739, and archaeologists have
since discovered 115 more. Curiously, they were only
found in northeastern Europe, particularly around France, Hungary, Belgium, and Great Britain. There have been Roman
dodecahedron-like golden artifacts found in Southeast Asia, but after careful
analysis, we're uncertain if the two are even remotely
related with each other. More bizarrely, there's
absolutely no mention or depiction of the artifacts in any
known historical records of its supposed origin era,
further adding to its mystery. There have been many theories as to how they're actually used, from simple mantlepiece objects to possible glove knitting tools or devices used to determine the optimal sowing date for winter grain. But to this day, nobody has come up with a concrete and confirmed explanation for their existence. Number eight, Maine Penny. The Maine Penny, sometimes
referred to as the Goddard coin, is a silver coin of Norwegian origin believed to have been produced at the latter half of 11th century CE. What's special about this coin is that it was first discovered
in the state of Maine, the United States, in 1957. In other words, it is a European coin that traveled all the way
to the American continent before Columbus even set foot
on the Western Hemisphere 400 years later. Initially, it was thought that the coin was brought by early Norsemen, but the idea was dismissed, as it's the only thing found
that is of European origin. Another theory was that it was
brought by trading Vikings, whose voyages have already
been confirmed to have reached as far America as early
as the 10th century CE. This explanation was also dismissed, as there's at least a 200-year gap between actual Vikings' voyages and the circulation for such coinage. Some people have suggested
that it was brought by Native Americans from the
northern part of the continent, where the Vikings had first landed. Yet, the inconsistencies of its existence are so conflicting, that many
think it is simply forged, or even just brought
there to fabricate a hoax. Genuine or not, its discovery still baffles experts to this day. Number seven, The Baltic Sea Object. On June 2011, the Swedish
ocean diving team, Ocean X, detected via sonar a very strange object under the northern Baltic Sea floor. Instead of the average sunken wreckage or natural formations,
however, what they found was something very
peculiar, almost artificial, and even otherworldly in shape and form. Known today as the Baltic Sea anomaly, it was discovered to have
been around 14,000 years old. The shape of the anomaly
featured a strange rounded structure-like object that looks nearly man-made. In fact, looking at the
sonar reading's silhouette and overall look, it's almost
as if it resembles that of one particular bounty hunter's
legendary space freighter. Indeed, the UFO-like object is lined with a clear seabed track that stretches for about 300 meters from its location, making it seem as if it was
a very ancient crash site. However, there are no
actual concrete explanations for its origin. It may be entirely possible that it is instead an ancient temple, with the clear seabed track
being a rudimentary road, and that it sunk to the sea much as how other ancient structures eventually sank with rising sea levels. Until Ocean X or any
other investigation team gets the funding to go down there to get a closer look, however, it will remain an unexplained mystery. Number six, Lake
Winnipesaukee Mystery Stone. One of the most controversial and mysterious anachronistic finds is the Lake Winnipesaukee mystery stone. The stone's discovery dates back to 1872, when it was first found in New Hampshire by workers buried underground. At first, it was thought
to have been an artifact of mixed culture, a
sort of symbol of unity between tribes people or
early North Americans. But in 1994, an analysis of
the artifact's craftsmanship led to the discovery of the stone's unusually precise drilling. It has been stated that the
holes bored on the stone were extremely regular, meaning, it was unlikely to
have been bored with a tool during pre-historic North America, and more likely to have been drilled with a handheld power tool that dates as late as the 19th century. Unless it was a hoax, this apparent anachronism of
its origin and craftsmanship makes it impossible to
confirm its place in history. Even if the age of the
stone itself was known, we'll probably never find out when the stone was actually
carved as it is today. Now that we're halfway through, take a look at this weird, unusually large transparent object accidentally discovered in 2014. It has an irregular shape, and shone in a cool, bluish hue. This artifact could not be explained for a long period of time, but eventually, we did
find out what it was. Can you guess? Leave a comment down below if you have the brains
to decipher this one quicker than the experts. Number five, Slime Mold Intelligence. What constitutes intelligence? Sapience, sentience? It's typically easy to
just point to examples of intelligence, rather
than actually define it. That's because there have been many cases that consistently challenge our very views of this abstract concept. Take the unsolved mystery
of slime molds, for example. They may not be as baffling as any of the entries discussed so far, but their way of life
will make you ponder. This pulsating membrane of yellow goo is capable of traversing a
complex variety of surfaces. When it finds a food source, for example, it marks its tracks with chemical trails, then remembers the most direct path. Even without a brain, it's
capable of solving mazes, tracking maps, following routes, and even analyzing its surroundings, using its very own method
of exercising intelligence. Why and how did the slime mold
evolve to think like this? The different processes of its actions can be traced to earlier organisms, but its current mechanism
of thought is a mystery. At the very least, a mystery
of the limited definitions of intelligence that we have today. Number four, The Wow! Signal. It was one fateful evening
on August 15, 1977. A soon-to-be-phenomenal
narrow band radio signal was received by the
Big Ear radio telescope in Ohio, United States. The 72-second anomalous
radio signal featured a very strong signal that
was more than 30 times the intensity of the
typical background radiation within the detected area. The printed digital readings of the signal were marked with a Wow!
beside it, hence its name. Why was it so baffling and mysterious? The relative area of the
signal was found to be somewhere near the M55 star cluster, but the actual source was
never actually determined. Glitches were dismissed
due to the duration and natural fade in and out of the signal. Natural sources such as
pulsars were also dismissed, as it was only received once, and lacked the typical
regularity in transmission that it would have had if
it came from such a source. More importantly, the
powerful signal was received at a frequency of 1420 Megahertz, the frequency naturally
emitted by hydrogen. This made for a very strong case of its artificial and
extra-terrestrial origin, though theories of hydrogen
clouds within comets have since then been formed in an attempt to dismiss such claims. Still, we may never truly know, as it hasn't been heard again since. Number three, The do-guu Figurines. The do-guu Figurines are
a set of clay figurines of various shapes and sizes that were found all across Japan. Its name comes from the word doguu, which means clay figure in Japanese. To date, there are officially
about 18,000 figurines found so far, each dating at least 2,000 to 10,000 years old. While many simply conclude
that these are artifacts from pre-historic Japan,
their existence is a mystery due to their unknown purpose. The current theory is that
they're human effigies, a kind of icon in which
positive magical energy is believed to have manifested. This connects well with the Japanese Shinto religion's roots to animism. However, as they date back many millennia before early traces of such
beliefs were even found, this idea has never been never confirmed. More sensational theories even postulate that these are supposedly spacesuits of ancient alien visitors, depicted in the best way possible by the primitive people
of that place and era. Whatever our current theories are, the wide gap in time they represent may make it impossible to
unravel the enduring mystery. Number two, Voynich Manuscript. Perhaps one of the best-known
mystery documents of all time, the Voynich Manuscript
is a codex, or book, which is written in an almost alien code that nobody has yet been able to decipher. First seen in 1912, it was named after its
owner, Wilfrid Voynich. Carbon dating of the document reveals that it was made during the 15th century. Flipping just a few
pages of the manuscript reveals how otherworldly its contents are. Weird zodiac symbols,
depictions of nude women doing all sorts of things,
and otherworldly plants and animals are illustrated within. It's so unusual, that the language used to write the document itself
is yet to be understood. Random made-up gibberish, perhaps? Quite unlikely, as it has been found to have the same tempo, frequency, and cadence as a typical human language. Some people even claim
that it's simply a hoax by the original author, or
even by Voynich himself, and that it was never meant to have any decipherable meaning
in the first place. Still, its intricate and
detailed writings and depictions, along with carbon dating findings, and its material analysis
cut this idea quite short. As to who wrote the document and why, that, too, is an entirely
different mystery of its own. Before I reveal the most
outrageous example in this list, I'd like to remind you to
subscribe to Be Amazed. We upload amazing
fact-filled videos everyday. So don't miss out on learning some amazing new information. Also, hit that bell icon for notifications on more amazing fact-filled videos. Number one, The Zodiac Concrete Slab. The Zodiac Concrete Slab
was the tentative name for a mysterious piece of
stone found near a residence in Mission, British Columbia in 2013. As its name suggests, the stone is adorned with zodiac and astrological symbols. As far as original testimonies go, no officially confirmed explanation for the so-called Zodiac
Concrete Slab exists. The slab was found at a
relatively shallow level, which suggests that it may
have been buried naturally rather recently, or deliberately covered for some specific design purpose. The images on the slab
show that it may have had an actual purpose other than
its supposed edgy design. The rings and lines inside
the zodiac symbols show that it may have been used as
a sort of rudimentary sundial, either aesthetically or functionally. As for what's further underneath, it is as yet to be revealed by the people who originally found the slab. Regardless of how mundane its actual use or origin may turn out to
be, the Zodiac Concrete Slab still keeps its own sense of mystery. Unless official documentation is filed, it may perhaps remain an obscure enigma it was originally intended to be. Now, back to that mysterious stone. Initially, people assumed it
was a space rock of some kind, but there were no traces of it having gone through the atmosphere. It was later thought to have been a roughened piece of precious mineral, but it was also later confirmed not to have been made of
quartz, diamond or corundum. If you answered somewhere along the lines of a backyard item piece, then you are almost correct. Actually, the mysterious
transparent object was later analyzed and found to be nothing more than a glass ornament. Specifically, it was a piece of a glass that was originally
sold for use in gardens. So, yup, it was neither a meteorite nor a precious gem, unfortunately. Do you think any of the
other artifacts in this video have a more plausible explanation
like that glass object? Do you want to hear about
more unsolved things to tingle your awe and imagination? Let me know in the comments down below. Thanks for watching.
