Believe it or not, science has yet to explain these 10 mysteries

Image: Walters Art Museum, Public domain, via Wikimedia Commons

Who doesn't like a good mystery? And if the mystery isn’t a work of fiction but the result of a true story, even better! The great unsolved enigmas of history are absolutely fascinating. Some have been solved over time, but there are still many old secrets for which neither scientists nor historians have found an explanation—yet. Time-travel with us as we uncover 10 of the biggest historical mysteries that will probably never be cracked!

Image: Tanner, Henry S., Public domain, via Wikimedia Commons

Bermeja Island is mentioned in navigation texts written by European travelers and appears in cartography from the 16th to 19th centuries. Old maps place it off the north coast of the Yucatán Peninsula; however, multiple searches over the years have yielded no concrete evidence of its existence.

So, what happened to Isla Bermeja? Was it a cartographic error? Did it sink due to a tidal wave? Because of its geopolitical significance, some have even suggested that it was blown up by the CIA! A 2009 study by the Autonomous University of Mexico concluded that Isla Bermeja does not exist today, nor were any traces found at its supposed coordinates. Yet, it will forever remain a mystery that will surely keep many entertained.

Image: Credit: Big Ear Radio Observatory and North American AstroPhysical Observatory (NAAPO)., Public domain, via Wikimedia Commons

In 1977, Ohio State University’s Big Ear radio telescope, used in the search for extraterrestrial intelligence, detected a signal now known as the Wow! signal. While reviewing the data, astronomer Jerry R. Ehman noticed a sequence represented as "6EQUJ5." Baffled by the anomaly, he circled it and wrote "Wow!" in the margins.

The signal lasted 72 seconds and, unfortunately, has never been repeated. To this day, no one can fully explain the phenomenon, although some suggest it may have come from a man-made source. Still, the Wow! signal remains one of the strongest candidates for potential extraterrestrial contact ever detected.

Image: Edward S. Curtis, Public domain, via Wikimedia Commons

How is it possible for an entire village to vanish without a trace? Believe it or not, this is said to have happened nearly a century ago. According to lore, a small Inuit village in Canada was well known among fur trappers who visited regularly to trade. But in 1930, something very strange supposedly occurred.

A hunter named Joe Labelle claimed he visited the village one day and couldn’t find a single person. Reports said there were guns and food left behind, and even claims that the graves in the cemetery were empty. A thorough investigation, however, found no conclusive evidence of what happened to the villagers. Some witnesses from nearby towns even reported seeing a huge green light. Theories ranged from mass migration to extraterrestrial abductions. The Royal Canadian Mounted Police has since dismissed the case as an urban legend. Some still believe the story to be true.

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We know thousands of shipwreck stories, but this one is quite unique. The MV Joyita, designed to be nearly unsinkable, was found adrift in the South Pacific, practically unharmed, but the crew had disappeared completely.

In October 1955, the American merchant vessel left the port of Apia in Samoa with 16 crew members and 9 passengers bound for the Tokelau Islands. After days without news, a rescue mission was launched. Five weeks later, the Joyita was spotted more than 600 miles west of its intended route. The vessel was partially submerged, and there was no sign of the passengers or crew. Four tons of cargo and all three life rafts were missing. They were never seen again.

Image: Gary Todd from Xinzheng, China, CC0, via Wikimedia Commons

Do you know where one of the best-preserved mummies was found? Hint: not in Egypt. Xin Zhui, the Marquise of Dai during the Western Han Dynasty in China, was discovered in her tomb at Mawangdui 2,000 years after her death, along with hundreds of valuable documents and artifacts.

What makes this mummy so extraordinary is how well-preserved her body is. Her organs and veins remain intact, and she still has hair and even eyelashes. Scientists analyzed the fluid present in the coffin and discovered it was acidic and contained salt and magnesium. They believe this mysterious liquid may have been responsible for preserving Xin Zhui so well. What they don’t know is whether it was intentionally poured into the coffin or came from the body itself.

Image: Yoichi Okamoto, Public domain, via Wikimedia Commons

The United States has its fair share of presidents who died while in office, but none of our 45 presidents have ever disappeared without a trace. Did you know that this actually happened in The Land Down Under?

Harold Edward Holt was the Prime Minister of Australia from 1966 until his presumed death in 1967. He loved the ocean and spearfishing. During a weekend trip with friends, Holt visited the remote Cheviot Beach to take a swim. Rough sea conditions that day caused him to be swept away by the waves, and he never reappeared. Despite an intensive search, his body was never found, which has given rise to numerous conspiracy theories. Ironically, Australians built the Harold Holt Memorial Swimming Centre in Melbourne in his honor.

Image: FBI, Public domain, via Wikimedia Commons

Many famous criminals have managed to remain unidentified for decades, but the D.B. Cooper case is something else entirely. In 1971, Cooper boarded a flight from Portland to Seattle. Shortly after takeoff, he showed a flight attendant a device he claimed was a bomb and demanded four parachutes and $200,000 in cash.

The crew landed to meet Cooper’s demands in exchange for the passengers and then took off again. As the plane flew over southwestern Washington, Cooper jumped into the cold, rainy night carrying his haul. His whereabouts and true identity were never discovered, although it is likely he didn’t survive the jump. In 1980, some of the ransom money was found near the Columbia River. Although the FBI officially closed the case in 2016, amateur sleuths continue to try to crack it.

Image: Pieter Brueghel the Elder, Public domain, via Wikimedia Commons

Can you imagine an epidemic where the main symptom is uncontrollable dancing? Sounds like science fiction, doesn’t it? Yet this really happened during the Middle Ages. In 1518, a dancing plague struck Strasbourg, Alsace, in what is now France. This strange condition affected up to 400 people, making them dance frantically for weeks. It is said that some even died of heart attacks, exhaustion, or strokes.

Doctors and authorities tried all kinds of measures to stop the spread. They even banned music for a while! To this day, scientists are not certain what caused this bizarre condition: it may have been food poisoning from toxins in the ergot fungus, or perhaps a case of stress-induced mass hysteria.

Image: Public domain, via Wikimedia Commons

The Voynich manuscript is a codex written roughly 500 years ago in an unknown language and writing system by an anonymous author. Known as Voynichese, the manuscript was named after Wilfrid Voynich, a Polish bibliophile and antiquarian who purchased it in 1912.

Radiocarbon testing has shown that it dates to the early 15th century. Many cryptographers and codebreakers have attempted to decipher its roughly 240 pages without success. The manuscript contains diagrams and illustrations of unknown plants and astrological symbols. Some believe it may be a made-up language, a secret code, a work of fiction, or even a hoax. If you think you can solve this mystery, the Voynich manuscript is available for viewing at Yale University’s Beinecke Rare Book and Manuscript Library.

Image: Bernhard

Similar to the Voynich manuscript, the Phaistos Disc is a fired clay disc believed to have been created during the Bronze Age. It was discovered by an Italian archaeologist in the basement of a palace in Crete, Greece, in 1908.

What makes this disc fascinating is that it contains a mysterious message. Stamped into the clay is a set of signs, forming a text that many scientists have tried to decipher—without success. It is considered an early attempt at printing, a technological innovation that would not become widespread for several centuries. While enthusiasts still hope the enigma can be solved, this is unlikely unless other documents are discovered to provide context.

Lost futures

We were promised jetpacks: 10 futures that never arrived

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From jetpacks to robot servants, past generations had big dreams for the 21st century. Magazines, sci-fi writers, and even scientists once imagined a future far flashier than today’s reality. But many of these predictions never came true—or at least not in the ways they expected. Here's a roundup of 10 things we were supposed to have mastered by now… but haven’t.

Image: SpaceX

In the 1960s, Bell Aerosystems developed a working jetpack prototype, and the media rushed to predict that personal flight would soon be common.

The Bell Rocket Belt was even showcased at the 1964 World’s Fair, but its 21-second flight limit and high fuel consumption prevented it from achieving mass adoption. Modern versions exist but are expensive and impractical for daily use.

Image: MeSSrro

Popular Mechanics and other similar magazines predicted that flying cars would fill the skies by the turn of the millennium.

Despite prototypes like the quirky Aerocar of the 1950s and today’s advances in vertical takeoff and electric aviation, flying cars remain more dream than reality.

Image: NASA

Another 20th-century dream cut short: after the 1969 moon landing, many experts expected permanent lunar bases by the year 2000.

However, while NASA and many other space agencies proposed moon settlements, political and financial cuts halted long-term plans. Only robotic missions have visited our cosmic companion since 1972.

Image: Mick Haupt

Post-WWII futurists believed that humanity would eventually engineer the weather using satellites or ground tech. Projects like "Project Stormfury" attempted hurricane modification, but the results were inconclusive.

Cloud seeding exists, but its effectiveness is debated, and large-scale weather control remains out of reach.

Image: Possessed Photography

Since the 1950s, popular media such as The Jetsons have promised human-like domestic robots. While Roombas and virtual assistants like Alexa exist, most prototypes of humanoid home robots still struggle with dexterity, reliability, and cost.

Unfortunately, for now, the bulk of household cleaning still falls to humans rather than their long-imagined robotic helpers.

Image: Jerrick Castillo

Visionaries like Jacques Cousteau imagined thriving oceanic cities by the 21st century.

Though experimental habitats like Conshelf and SeaLab were tested, persistent challenges such as pressure and high costs of building make long-term underwater living largely unrealistic.

Image: Riku Lu

Sci-fi from the 1980s often portrayed people learning languages or skills in seconds with the aid of advanced technology.

Brain–computer interfaces do exist, but they remain in early developmental stages, and the idea of "downloading" information directly into the human brain is far beyond the capabilities of current neuroscience.

Image: Michael Pointner

Inspired by shows like Star Trek, people thought teleportation might be real by now.

Quantum teleportation has been achieved at the particle level, but it doesn’t move matter—only quantum states. For now, human teleportation remains firmly in the realm of fiction.

Image: Daniele Franchi

Einstein’s theories sparked dreams of real-life time travel by manipulating relativity.

While time dilation is a real phenomenon observed at extreme speeds and in strong gravitational fields, constructing a machine capable of traveling into the past remains impossible under our current understanding of physics.

Image: Ksenia Yakovleva

Mid-century futurists expected food to eventually be replaced with efficient tablets.

While nutrient pills and protein bars exist, actual meals still require bulk calories and texture, something a pill just can’t provide. Even in specialized environments—like astronauts aboard space stations—the idea remains highly impractical for real diets.