The history of ghosts, explained

The science behind ghosts, explored

Every culture has them—restless spirits, haunted houses, things that go bump in the night. But why do we believe in ghosts? Psychologist and skeptic Dr. Chris French joins host Sony Kassam to explore the science behind the supernatural, from sleep paralysis and hallucinations to the brain’s pattern-making instincts.

Ghost stories can help us process death

Scholar Coya Paz’s research into ghost stories indicated that people often use them to grieve and remember tragic histories. Paz notes that specters in stories almost always demand to be acknowledged. She also shares the three most common types of ghosts we hear about are either vengeful, unwelcoming, or comforting.

What ghosts eat around the world

This Thrillist article compiles a rich assortment of cultural beliefs and practices surrounding food for the dead. From Bengali folklore to Ancient Greek mythology, peruse through the different ways in which cultures around the world use food to maintain connected to the deceased.

Ancient ghost stories appeared in texts like 'The Odyssey'

Sharing ghost tales has been around for centuries. Ancient Mesopotamia, Rome, and Greece each had their own chilling stories about encountering spirits. Find mentions of specters in some of history’s most famous writings like the "Epic of Gilgamesh" and "The Odyssey."

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.

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...

19th-century Americans used technology to try to prove the existence of ghosts

In the 19th century, following technological advancements like the telegraph, phonograph, and others, efforts were made to capture proof of ghosts. These technologies seemed supernatural in their own right and emerged at the same time Spiritualism took off in the US, resulting in new approaches to connecting with the dead.

Ghosts can work as powerful literary devices

Noteworthy American novels like Toni Morrison’s "Beloved" tell us how spirits help deliver information and greater truths unknown to the characters. Wondering about our souls is common in literature, and the phantoms in these tales offer a unique way of contemplating the complicated experience of being human.

The perception of haunted places is influenced by psychology, setting and suggestion

Gothic architecture and tragic histories contribute to the perception of hauntings. Infrasound and black mold can cause experiences reminiscent of paranormal phenomena. Although paranormal investigators use technology to seek natural explanations, many paranormal experiences remain non-falsifiable.

More than half of American adults believe in the afterlife

It’s hard to find actual data regarding ghosts, but a survey conducted by Pew Research Group in 2023, revealed that around half of the US adult population believes ghosts can interact with the living, with most thinking that spirits can help rather than harm us.

Horror evolved from Gothic literature

Although creepy tales can be found in nearly every folk tradition, the roots of modern horror can be traced back to Gothic literature, which focused on the battle between humans and unnatural, evil forces.

Afterlife traditions help some humans process death

Watch this video discussing concepts of the afterlife presented through an anthropological lens about one family's experience and traditions passed down from one generation to another.

Ghosts didn't say 'boo' until the 19th century

The word derives from Scotland in the early modern era and was often used to assert oneself. Eventually, it became a way to startle someone, and by the 19th century, was the go-to utterance of literary spirits.

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 origins of our fascination with time travel

Humans have been captivated by the prospect of leaping forward and backward in time for thousands of years. Georgia Institute of Technology Science Fiction Studies Professor Lisa Yaszek recounts how the concept has been utilized by storytellers from 400 BCE to modern-day to explore our relationship with the supernatural, technology, and the past. In a way, this historical recounting is a journey through time.

Why is there a regular event to call Houdini from beyond the grave?

An annual seance on the anniversary of Harry Houdini's Halloween death seeks to communicate with the great escapologist from the great beyond. This podcast episode explores why the Hungarian illusionist wanted these magical rites held after his...

A deep dive into how a body decomposes

Dead bodies are, understandably, scary and unsettling. Learn about the fascinating process of decomposition that takes place in every human, and how its teeming with life.

The Ouija board originated in 19th-century America

The bizarre board game that helps people communicate with the dead at sleepovers first emerged in the 19th century as a business-minded response to the growing fascination with spiritualism. The Ouija Board has since generated an abundance of sales, as well as scientific research.

To reach the afterlife, Egyptians lived in accordance with ma'at, or harmony

The ancient Egyptians held many beliefs about eternal life, fueling entire industries tasked with building tombs for the dead. Their leader, the pharaoh, was believed to be divine, and the lives of ordinary people were punctuated with ritual and myth. Learn more about their religion here.

Former American President Abraham Lincoln is one of history’s most famous ghosts

Abraham Lincoln, Anne Boleyn, Pausanias, and the Maharajah Duleep Singh are just a few of the notable phantoms found around the world. Several White House occupants and visitors have claimed to see Lincoln, including Theodore Roosevelt, Grace Coolidge, and Winston Churchill.

'Ghost towns' are rarely known for ghost sightings

Instead, they're places an industry has abandoned, leaving many of the town's buildings decrepit and abandoned. That doesn't mean they're completely empty; some folks prefer the pace and look of ghost towns, which often lean into their Old West aesthetics. The Vox documentary explores ghost towns in Nevada, which is home to more than 600.

The history of blood, as told by a hematologist

Since ancient times, blood has been seen as a semi-magical substance. Alchemists theorized it was a mixture of the four elements. Others proposed it was one of four bodily fluids whose balance dictated health. This 2019 essay by a hematologist reviews blood's reputation across cultures and centuries.

Scientists used to speculate about life on the moon

In the 17th century, Galileo's observations suggested the moon could be inhabited, leading to fictional speculations about lunar life. In the 19th century, stories were published claiming the discovery of various creatures, including human bats. The Apollo missions in the 20th century explored the possibility of life there, but further exploration showed this idea to be less likely than before.

Tattoos, explained

Tattoos last because immune cells trap ink beneath the skin—but there's more to the story. This overview looks at how ancient cultures used tattoos for status, spirituality and punishment; how technology like the electric tattoo machine transformed the art form, and where innovations like smart tattoos could take it next.

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.

Learn more about the history of fireworks, which dates back to an accidental invention during an alchemist's quest for information about immortality.

The concept of phantom limbs, the perception that amputated limbs are still present, dates back to a French military surgeon in the 16th century.

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

The Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

Apeirophobia is an overwhelming fear of living forever, perhaps stemming from the brain's inability to conceptualize an infinite life.

Crows are believed to have intelligence on par with a seven-year-old child and demonstrate complex behaviors, from problem-solving with tools to recognizing human faces.

See these 16 pieces of art evoking phobias of snakes, flying, spiders, and more. 

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

The Dracula character, now seen as the vampire archetype, was inspired by a seafood-induced nightmare its creator experienced.

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

Cultural norms about how to handle the bodies of loved ones in communities in West Africa have hampered Ebola responses.

Existentialist writer Jean-Paul Sartre coined the famous phrase 'Hell is—other people' in his play 'No Exit'

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

Scientists can determine Earth's past climate conditions by analyzing air trapped in microscopic bubbles within ice cores—columns of compressed snow layers that build up over hundreds of thousands of years.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

Explore the history, structure, and species of Australia's Great Barrier Reef with this interactive journey narrated by Sir David Attenborough.

Apollo astronauts left items in the moon's 'toss zone,' including golf balls, family photos, and bags of human waste, to make room for lunar rocks.

While atoms are normally made of protons, neutrons, and electrons, exotic ones have been built with antimatter—alternate versions of normal matter that live for fractions of a second and are about a billion times as rare.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

See photos of Meteora, a mountainous site in central Greece, home to 14th-century monasteries perched atop soaring outcroppings.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

Frank Lloyd Wright's houses are historically hard to sell because they're old, subject to local landmark commissions, and often unfashionable