'1440 Explores' Episode 3: Why We See Ghosts and What Isn't There

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.

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.

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...

The science of fear

The Hidden Brain podcast team explores the science of fear by traveling to a haunted house curated by a scientist to investigate what scares us, and why some people enjoy this sensation more than others.

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.

'1440 Explores,' Episode 2: Why We Drink and What It Does to US

Alcohol is the world's most popular drug—a molecule that can calm or excite and bond communities or tear them apart. We trace alcohol's journey from ancient rituals to modern hangovers, uncover how it shaped civilizations, and dive into the neuroscience of how it affects your brain and body. With insights from leading experts, we ask: Given all that we know, why do humans continue to drink?

The ‘paranormal activity’ lab at the University of Virginia

Near-death experiences aren’t the only thing they study at Greyson’s Division of Perceptual Studies. The lab approaches a host of “paranormal” phenomena—like past lives and out-of-body experiences—with the same academic rigor as the physics or economics department.

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.

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...

Explore a podcast devoted to uncovering different conspiracy theories

Hear stories of controversial events from all around the world and come to your own conclusions about why they happened—and if someone shaped the narrative around them. From art fraud to the death of a Roman emperor, this Spotify podcast covers it all.

The debate on why humans are conscious—and what that means

Understanding what consciousness is, and why and how it evolved, is perhaps the greatest mystery known to science. Watch interviews with the world's leading experts on what it is and whether we'll ever know.

'Christmas Past' examines the forgotten stories behind holiday traditions

“Christmas Past” is a long-running podcast that explores the origins of Christmas traditions through short and engaging episodes, blending historical deep dives with warm-hearted narration.

Accounts of near-death experiences share similarities with hallucinogens

This short film explores human experiences of dying, blending personal reflections with scientific insight. It aims to illuminate the emotional, psychological, and physiological aspects of that final transition, and draws out similarities of psychedlic drug use and accounts of near-death experiences.

'Dr. Death' (4 Seasons)

Taking a unique angle on the true crime genre, this series explores medical professionals whose lust for fame and success stops at nothing—even others’ lives. Each season explores a different doctor and the systems that enabled them. Begin with the season one and the story of Christopher Duntsch, accused of maiming or killing several patients, including leaving one quadriplegic and another brain-dead.

Watch how a mixed reality app transforms a space into a haunted house

"Hauntify" incorporates a user's physical surroundings into the gameplay. Available via the Meta Quest app store, the software utilizes the mixed reality device's cameras and sensors to map a user's environment, from which evil spirits that must be repelled appear to emerge suddenly.

Barbara Brown Taylor reflects on the oft-used phrase "spiritual but not religious"

Released on Holy Thursday 2023, this conversation with the Episcopal priest and preacher argues that the human appetite for the sacred is strong, despite declining church membership. Taylor and longtime host of the "On Being" podcast, Krista Tippett, explore wilderness, embodied faith, and what holiness actually feels like when the institution no longer appears to supply it.

A full crash course in psychology

This 40-episode crash course series mirrors the curriculum of an advanced high school class on the psychology with well-known creators the Green brothers. Browse each roughly 10-minute episode or watch them all.

Unpacking the famous argument in the 'Are We Living in a Computer Simulation?' paper

In 2003, philosopher Nick Bostrom published a paper in a journal arguing the technological possibility that humanity is living in a simulation. The argument, while popularly mocked (or cheered), is presented seriously in the paper. This podcast episode explores the contours of the arguments in an accessible way.

Sleep paralysis occurs when the body fails to 'unfreeze' in sync with waking

When the body falls into a deep enough phase of sleep, it paralyzes certain parts of itself so the brain can't force it to physically act out dreams. This well-known but little-understood phenomenon happens when the brain awakens early and typically results in haunting hallucinations and reports of supernatural terrors.

A sleep expert discusses the broad benefits of quality rest

In this three-part series, renowned sleep expert Matthew Walker and doctor Peter Attia explore the role of sleep in memory consolidation and mental health, and the detrimental effects of chronic lack of sleep. The latter has been linked to increased risk of dementia, hypertension, and more.

The dreaming brain, as understood by scientists

Technology has advanced to where the seemingly separate fields of psychology and neuroscience are asking the same questions about dreams, such as whether they're more closely related to perception or visualization. Some field-intersecting findings include research that shows people with impaired face perception don't dream of faces, those with brain legion-related cognition difficulties deal with similar issues in dreams, and children's dreams change in parallel to their cognitive development.

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.

The ‘Bullshit Bombers’ of the Vietnam War and their mountain ghost

Armed with marketing insight and leaflets, these US soldiers tried to use propaganda to get the Viet Cong and North Vietnamese military to abandon their weapons and leave the war. But what’s more effective than a leaflet’s promise of a decent cup of coffee amid bombing? Ghostly threats from the great beyond. Learn more about weaponized superstition in this 42-minute podcast episode.

How seizures (potentially) alter consciousness

Seizures occur when intense electrical activity floods the brain, prompting significant loss of self-control and a variety of sensory disruptions and hallucinations. Cultures interpret the episodes differently, with many contemporary norms viewing them as negative while others characterize them as intense spiritual occasions. Author Fyodor Dostoyevsky viewed his seizures this way, as well as cultures in Mongolia, some Shamanic indigenous religions, and others.

Here’s why you’ve never eaten a banana seed

Hank loves bananas and is worried about their future, so he did some investigating and wrote this four-minute episode of SciShow to share some kind of scary banana truths with us.

Researchers believe the brain consolidates memories, processes emotions, and plans for the future during dream states

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

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

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

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

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

Explore our favorite visualization of the immense scale of space, from an astronaut to the size of the observable universe

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

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.

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.

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

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

Explore what it's like inside a patient isolation unit, used in situations such as treating a patient or suspected patient with Ebola.

After her fellow cult members tried to kill her with an LSD-infused hamburger, one member of the Manson Family, the murderous cult led by Charles Manson, decided to testify against the group's leader.

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

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.

Hotels in Cannes, the glamorous city on the French Riviera, hire hawks to ward off seagulls during the city's famous film festival.

Visualize how CRISPR-Cas9—a type of immune system used by single-celled organisms to attack invasive viruses—targets and makes precise changes to a gene's DNA.

Objects can be 3D printed with light by projecting 2D computerized tomography (CT) scans onto rotating cylinders of resin, which solidify upon exposure.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

In 1963, a basement renovation in Turkey revealed a passageway to a hidden, multilevel underground city that once housed as many as 20,000 people