Explaining the icy mystery of the Dyatlov Pass deaths

Investigating the death of a 5,300-year-old mummy

Authorities generally consider a case to have gone cold once they've run out of leads or the ability to collect and consider new evidence, usually within a few years of the instigating event. Now imagine being a detective charged with investigating a death that happened more than 5,000 years ago. This article details how Alexander Horn, a then-detective inspector, attempted to solve the mystery of Ötzi the Iceman's death.

A day in the coldest village on Earth

The people of Yakutia, a far northern region of Russia, live a challenging, but harmonious, life with nature, facing some of the world's coldest temperatures. Tag along for the day with 9-year-old Arian and his family to see how they manage the cold, from constant wood-chopping to keep their home warm to the meticulous ice fishing which sustains their diet.

How a deadly antarctic expedition turned poisonous

A deadly 1912 scientific expedition to the Antarctic took a turn for the worse when the expedition team's leader turned to man's best friend to fuel their journey. This 21-minute podcast episode provides a glimpse into the real-life dangers of...

The steep and slippery Russian ice slides sparked centuries-long obsessions with thrill-seeking

When a French traveler happened upon the 17th and 18th century Russian pastime of sledding down man-made hills, he brought the idea home and inspired others to modernize the mechanics. Adoration for coasters spread around Europe and eventually reached the US, where the scream machine would undergo major advancements.

Tracking the Isdal Woman

In 1970, a burnt body encircled by an odd assortment of items was found in a remote Norwegian valley. For nearly 50 years, the true identity of the woman escaped authorities who found she had traveled the country under many names. This podcast episode is the first in a 12-part series seeking to uncover the woman's identity and what happened in her final moments.

The mystery of Sandby Borg: an Iron Age massacre

Sandby Borg, Sweden, was the site of a 5th-century slaughter where victims were left to rot where they fell. This article details how scientists are working to solve the prehistoric murder mystery and find out what happened to the Sandby Borg...

Avalanches happen when layered snow fails, often on perfect ski slopes

Snowpacks form unstable layers as weather shifts; a weak, refrozen layer buried under fresh snow can shear and release a slab avalanche on certain steep slopes. Triggers range from new snowfall to the movement of skiers, while survival depends on the presence of ski partners, beacons, and rescue teams.

Avalanches, which kill an average of 27 people in the US each year, typically require mountain slopes between 30 and 45 degrees and a layer of sturdy snow atop a weak, unstable layer, which can be put into motion by a trigger.

Rediscovering the Inca Empire

In 1991, anthropologist Johan Reinhard was trekking up the snowy face of a dormant volcano when he came face to face with the mummified remains of a teenager who had been sacrificed to the Incan gods centuries earlier. The story of “Juanita the Ice Maiden” is just one of the riveting tales featured in this four-part series from the popular podcast "History Hit".

Dubbed 'stalkers,' some Ukrainian youth illegally explore Chernobyl's exclusion zone

A subculture of thrill-seekers, driven by a desire for rebellion and adventure, is representative of dark tourism in the region. Some stalkers sneak past militia posts to venture into abandoned ruins, risking radiation exposure while scavenging for ruins of the past.

Who was Ötzi the Iceman?

When Ötzi the Iceman's well-preserved body was pulled from a glacier in 1991, researchers essentially gained anthropological evidence into a 5,300-year-old cold case. This five-minute animated video provides an overview of Ötzi's discovery and...

The unsolved mysteries of Machu Picchu

Who lived there? How did they get all that granite up there? Who were the 100 bodies found buried here, and why did some of them have elongated heads? Explore eight of Machu Picchu’s unanswered questions while scrolling through panoramic, clickable street-view images of the site, in this guide from Google Arts and Culture.

What is glacial archaeology?

Melting glaciers continue to reveal archaeological and anthropological evidence previously hidden by solid ice. This article details the newer archaeological field, which was popularized after the 1991 discovery of Ötzi the Iceman. A German couple came across Ötzi as they hiked the Ötzal Alps near the Italy-Austria border. Ötzi was initially believed to be the corpse of an unlucky mountaineer, but further study revealed he had been dead for about 5,300 years.

Unraveling the Long Island serial killer case

Authorities investigating the disappearance of a woman from Long Island in May 2010 soon discovered four bodies that had been dumped nearby. Six more bodies were found in the same area in early 2011, and authorities announced later that year that all the deaths were the work of one person. This episode is the first in a seven-part series into Gilgo Beach slayings and their seemingly bungled investigation.

A riveting retelling of the 1846 Donner Party, the doomed western pioneers

Eighty-one people went with the Donner Party into the Sierra Nevada mountains in the winter of 1846 via what they thought would be a shortcut to the West. Only 41 came out. The infamous episode of Western travel is captured in narrative detail in this four-part podcast series. This first episode reveals the motivations that pushed the party on this specific route.

What did Ötzi the Iceman have with him when he died?

Ötzi the Iceman and his belongings were remarkably well-preserved by the mountainous ice that usually covered the area near the Italy-Austria border where he was found. This article by the Italian museum that houses Ötzi's body details some of the...

True crime fans can derail lives with misguided accusations

In the wake of four stabbing deaths at the University of Idaho in November 2023, online sleuths, without any supporting evidence, were quick to point accusatory fingers at potential perpetrators. Poring over news reports, social media pages, and internet interactions can reveal viable information that can help solve crimes. Such (sometimes monetizable) behavior can also easily give rise to rumors and threats while impeding official investigations.(Some readers may experience a paywall.)

There are lots of weird ideas about dinosaur extinction, like hungry, hungry caterpillars

One of the great historical puzzles is this: why did the dinosaurs go extinct? Whether an asteroid, poison plants, volcanos and climate change, or something else, it's still a mystery. Scientists have been debating this question for almost a hundred years. One insect scholar suggests that caterpillars are the culprits.

Western China's millennia-old mummies

The extremely dry climate of China's western province of Xinjiang has preserved mummy-like dessicated corpses from as long as 4,000 years ago. The so-called Tarim Basin mummies were discovered in Central Asia at the start of the 20th century and have since been studied by archaeologists, genome experts, and more. Take a look at their extremely well-preserved blonde braids and other features while reading about them in this essay.

Limited transparency soon after Chernobyl made it a source of conspiracy theories

Some rumors about the event became perceived as more reliable than the Soviet mass media, which had omitted key information during the early days of uncertainty. The resulting theories included CIA involvement in the disaster, three-headed birds, aliens, and a weaponized earthquake.

Discovering how the dinosaurs went extinct may have helped avert nuclear war

This NPR Throughline episode explains how the 1980 discovery that an asteroid-driven dust cloud killed the dinosaurs inspired Cold War scientists' fears of "nuclear winter"—a sunlight-blocking aftermath of nuclear war that may have discouraged leaders from launching one.

How 'the Iceman' got his tattoos remains a mystery

Ötzi the Iceman, discovered in 1991, is one of the oldest human mummies ever found—and his 61 tattoos remain a mystery. This explainer looks at how researchers believe the tattoos were made, what their placement suggests about ancient medicine and culture, and why we’re still piecing together their true purpose today.

How a rural Indiana tragedy became true crime

In February 2017, two teens were dropped off at a local hangout spot near the northern edge of Delphi, Indiana, a city of less than 3,000 people. One of the girls was filming and briefly caught footage of a man coming toward them before they were apparently cornered and "marched to their deaths." The suspect remains unknown despite audio and grainy video evidence, giving rise to rumor and speculation.

Under certain conditions, very hot liquids can freeze more quickly than cooler ones—a phenomenon called the Mbemba effect, after the Tanzanian high school student who accidentally observed it.

Ghost stories across cultures often trace back to traumatic events

From a bat-like demon in Tanzania to a malevolent woman figure hovering above your sleeping body, the four disturbing tales outlined in this NPR article offer a glimpse into how happenings from WWII or the Aztec Empire haunt people’s memories.

Japan's mysterious disappearance industry

Tens of thousands of Japanese people reportedly choose to leave their lives behind and vanish, according to a 2016 book by Lena Mauger. This long read dives into some of the book's claims via interviews with some of the individuals opting to vanish,...

How to survive hypothermia

Hypothermia is a deadly risk for those living in cold areas, causing around 1,500 deaths a year in the United States. Stay safe with tips from this article, which cites research papers to help prevent and treat the condition. Take note of the best fabric to wear when cold weather hits—not cotton but wool.

The mysterious details of Stalin's death

The 73-year-old dictator of the Soviet Union died March 5, 1953, officially from a stroke, on top of nearly a decade of significant medical issues. But evidence suggests the longtime leader might have been poisoned less than a week before at an intimate gathering of Stalin's closest confidantes and advisors. Explore the current evidence for Stalin's alleged murder here.

How a 6-year-old girl survived the wilderness of Arkansas alone for days

In 2001, a family trip to the Buffalo National River Wilderness in the Arkansas Ozarks took a dark turn, unfolding a tale of bizarre events when six-year-old Haley was lost and reportedly helped by the spirit of a little girl who resembled a child...

Bears may have evolved natural mechanisms to prevent blood clots during hibernation, an important development, since inactivity typically leads to blood clots in other animals.

Dinosaurs thrived in the Arctic year round

The Arctic in the Cretaceous Period was a rough place to live, especially in winter. And yet, the fossils of many kinds of dinosaurs have been discovered there. So how were they able to survive in this harsh environment?

True crime, explained

Tales exploring some of the most grisly and unthinkable crimes have satisfied the public's morbid curiosity for more than a century, and modern podcasting has shot the genre to new heights. Want to learn more about the history of true crime? 1440 has the breakdown here.

The history of ghosts, explained

The afterlife has perplexed humans across different periods, cultures, and belief systems. The desire to understand what comes next is often explored through the telling of ghost stories. Learn more about the spooky phenomena here.

The origins of Iceland's child-eating Yule Cat legend

Iceland is a cold place, and wool production has long been a key means of surviving the climate's severity. For those Icelanders who failed to get new Christmas clothing before the holiday, their lurked a vicious, hungry cat to consume them. The centuries-old folklore is a fascinating story of social control through the tales we tell. For a dose of Christmas fear, read this wild article.

Humans were forced to adapt to survive a supervolcano eruption 74,000 years ago

The Toba supereruption ejected 2800 cubic kilometers of ash, resulting in global cooling from blocked sunlight and acid rain. Archaeological sites show that humans developed bow-and-arrow technology to survive in arid conditions by fishing in seasonal waterholes.

Heat-related deaths may have climbed by more than 50% over 20 years

Between 2000 and 2009 one study suggests annual heat deaths averaged around 2,670, but between 2010 and 2020 that figure was likely more than 4,000. Researchers studied 54 million death records from the contiguous US and created mathematical models to arrive at these figures, noting that a combination of aging populations and climate change drove that increase.

Some vacationers flock to the sites of tragedies

Auschwitz, Chernobyl, Gettysburg, and more have all become tourist destinations, despite the horrible events that have occurred at the sites. The phenomenon is sometimes called "dark tourism," a trend that seems to be spurred by interest in history, morbid curiosity, and popular culture (like HBO's series "Chernobyl").

Dinosaurs’ feathers and greater metabolism helped them survive polar conditions

Studies of dinosaur footprints alongside ice-deposited rock fragments indicate that early dinosaurs adapted to cold weather before the volcanic winters of the Triassic-Jurassic extinction event. These geological events helped dinosaurs to flourish by wiping out their amphibious competitors.

The sports competition developed on the Alaskan tundra

Alaska's NYO Games invite high school athletes from the state's over 270 indigenous tribes to compete in numerous events based on survival tactics developed by their ancestors. This short documentary from Great Big Story walks through some of the more grueling events and speaks with the Games' coaches and young athletes about how the event preserves their shared culture.

An exploration of what makes Olympic curling so difficult and strange

The sport is often maligned for its oddity, but this impassioned video argues it's one of the more impressive (and good-natured) sports in the Olympics. Sometimes labeled "chess on ice," curling at the Olympics uses 44-pound, 60-million-year-old granite stones all extracted from the same Scottish island.

New evidence suggests the eruption's victims died as their blood boiled

While most Pompeii victims suffocated or were crushed, spectroscopic analysis of bones from a nearby town indicates something more extreme: exposure to superheated gas that instantly boiled blood and caused deadly internal trauma.

Searching for a hate crime's unknown victim

In 2004, two federal agents heard a rumor: two white men, one under investigation for an unrelated crime, had gotten away with killing a Black man 15 years earlier as a requirement to join a white supremacist group. One of the men confessed to the crime, though he didn't know who was killed. This series dives into the search for the slain man and the justice he deserved.

The fragility of the alpine tundra

This article takes readers into Rocky Mountain National Park's Alpine Tundra, an area above the tree line where only specially adapted plants can survive. One such plant is the cushion plant, which avoids strong winds by growing close to the ground...

Lack of sunlight during Arctic winters can fuel a winter slump and a circadian disconnect.

'Mystery hikes' were a popular attraction in the 1930s

Still reeling from the Great Depression, many Americans were looking for low-cost (or free) activities. Some travel agencies curated "mystery hikes," which offered intrepid amblers the opportunity to be set on a blind adventure.

The top 10 most unbreakable Winter Olympics records

Some athletes and teams dominate a sport or an era. This video compiles the records least likely to be surpassed (and excludes those that are impossible due to rule changes). From the Dutch sweep of four podiums in speed skating to Eric Heiden's five individual gold medals at Lake Placed in 1980, watch this list of the Games' most enduring feats.

Ghost hunting in the 19th century

This 40-minute podcast explores what it meant to hunt ghosts during the 19th century, when studying the paranormal was considered a mainstream scientific field. In 1847, a pair of sisters reportedly communicated with the spirit of a dead man...

Listen to a podcast about the eerie side of national parks

Although the National Park System is a relatively recent invention, the lands it includes have been around since the dawn of time and, as a result, have accumulated some interesting folklore. This podcast walks you through some of the best legends about the parks.

See the “Miracle on Ice” through the eyes of a Soviet player

In this video, hockey legend Slava Fetisov reflects on the USSR’s powerhouse teams, his experience in the 1980 Olympic loss to the US, and his later move to the NHL—where Russian players became dominant forces.

The US Olympic hockey team upset the USSR in 1980—later dubbed the 'Miracle on Ice'

At the 1980 Winter Olympics, a team of American college players defeated the heavily favored Soviet hockey team—shocking the world. The victory became a defining moment of Cold War sports rivalry and American national pride.