Understanding Death

What body farms are, who started the first one, where the bodies come from, what scientists learn from them, and why they are controversial for some people.

Deathbed coincidences: stopped clocks, pets, a change in the room, and relatives who sense a death from afar. What hospice staff and research report.

Why hair and nails do not grow after death, why they can look longer, where the myth came from, and what the BMJ and forensic experts say.

Does dying hurt? What hospice and aging research say about pain, breathing, restlessness, and comfort in the last days of life, and what care teams can do.

How death is legally defined in the United States and how a doctor determines it: the Uniform Determination of Death Act, the checks for circulatory death, the brain death exam, and why protocols differ.

How ancient Egyptians mummified the dead in about 70 days, why they did it, and how the older Chinchorro mummies and accidental, natural mummies fit in.

What rigor mortis, livor mortis, and algor mortis are, how fast each one happens, and why investigators combine them to estimate time of death.

What SUID and SIDS are, how many babies they affect, what is and isn't known about causes, how safe sleep reduced deaths, and where bereaved families can find support.

What the Lazarus phenomenon is, how often it is reported, how long after CPR it can happen, what happens to patients, and why guidelines suggest a watching period before death is declared.

What the death rattle is, why it happens, how common it is, whether it hurts the dying person, how long before death it starts, and what care teams and families can do, from clinical research.

Why people stop eating and drinking near the end of life, what research says about feeding tubes and IV fluids, how comfort-focused care handles thirst and dry mouth, and how families can help.

What a University of British Columbia study found about hearing in dying hospice patients, how the study worked, what it cannot tell us, and why palliative care doctors encourage families to keep talking.

What dying of old age means medically: why U.S. death certificates do not accept it, how doctors certify multiple organ failure, how the UK and Japan differ, and what research shows about people certified as dying of old age.

What happens when someone dies alone at home: how it is discovered, who responds, what "unattended death" means legally, when an autopsy happens, how it affects funeral arrangements, and what families can do about relatives living alone.

What happens to the body after death, in plain terms: the early changes, autolysis and putrefaction, mummification and adipocere, skeletonization, and what affects how fast it happens.

A plain timeline of what happens to the body in the first 24 hours after death (cooling, livor mortis, rigor mortis) and what families do and do not need to do in that time.

Shared-death experiences: what bystanders report at a loved one's death, the four types researchers describe, and what the research can and cannot show.

The difference between coma, vegetative state, minimally conscious state, and brain death: what each means, how long they last, how brain death is determined, and why a ventilator can make them look similar.

The most common age to die in the United States, from official life-table data: 87 for men and 89 for women, how this differs from life expectancy, and what share of deaths happen at older ages.

What research shows about end-of-life dreams and visions: how common they are, what people describe, how they differ from delirium, and why hospice teams are encouraged to ask about them.

Why the moment of death sometimes feels peaceful: what families and hospice staff describe, the likely explanations, and what it means if you didn't feel it.

What terminal lucidity is, how it has been described in dementia and other illnesses, when it tends to happen, what the 2018 National Institute on Aging workshop concluded, and why researchers say much is still unknown.

Why people dream about a loved one dying: how common it is, what it reflects, why it can feel like a premonition, and whether dreams predict deaths.

What clinicians report about people dying when family steps away, what research exists, why the explanation is unproven, and how families can take breaks without guilt.

Why the eyes sometimes stay partly open after death: a study of 100 hospice deaths, what controls eyelid closure, which illnesses make it more common, why it does not mean the person was afraid, and what families can do.

Why time seems to slow in accidents: what survivors report, the free-fall experiment that tested it, and the memory explanation researchers favor.

What people report changing after a near-death experience, including less fear of death, a sense of purpose, and stronger belief in an afterlife, what the studies found, and the limits of that research.

How near-death experiences are described and interpreted across religions and cultures: what is similar, what varies, studies of Muslim experiences, negative experiences, and the limits of the research.

What research shows about near-death experiences in children: the early studies by Melvin Morse, a 2026 review, recent U.K. work, and why the evidence is limited.

The main scientific explanations for near-death experiences (oxygen levels, REM intrusion, temporal lobe activity, brain chemicals, and psychology), the evidence for and against each, and what remains unresolved.

What scientists have recorded in the brains of dying people: the 2023 gamma surge study, the earlier rat and human cases, the cautions researchers give, and how the AWARE II findings fit in.

What the AWARE II study found about consciousness during cardiac arrest and CPR: the numbers, the brain recordings, the tests with hidden images and sounds, and what researchers caution.

What a near-death experience is, what people commonly report, how common it is among cardiac arrest survivors, how researchers measure it, and what remains debated.

What people report after near-death experiences, based on the AWARE studies of cardiac arrest survivors: the common themes, how they are measured, how many people have them, and what researchers still dispute.

How coffins developed from ancient China and Egypt through medieval Europe, the Victorian era, and 19th-century America, including shrouds, the parish coffin, metal burial cases, and the move from coffin to casket.

What the ars moriendi was, where it came from, its five deathbed temptations and illustrated woodcuts, how it spread across Europe, and how it connects to later ideas of a good death.

Who Cicely Saunders was, how a dying patient named David Tasma inspired her, what 'total pain' means, how St Christopher's Hospice opened in 1967, and how hospice reached the United States and Medicare.

How the Civil War, Dr. Thomas Holmes, and Abraham Lincoln's funeral turned embalming from a rare practice into a standard part of the American funeral.

What historians know about funerals in ancient Greece and Rome: the three stages of a Greek funeral, the Roman procession with ancestor masks, cremation and burial, and what remains uncertain.

How many more Americans died in 2020, how funeral homes and families adapted, what FEMA's funeral assistance paid, and what studies found about grief and the inability to say goodbye.

The history of cremation in the West: why it faded, the first modern cremation in America in 1876, the Catholic Church's change in 1963, and how it became the most common choice.

What happened to funerals, coffins, and cemeteries during the 1918 flu pandemic: the shortages, the bans on public funerals, and how cities coped with mass death.

How the American funeral trade grew from coffin-making and home care of the dead into funeral directing, including embalming, licensing, associations, the move from home to funeral home, and the separate history of Black funeral directors.

The history of professional mourners, from ancient Egypt, Greece, and Rome to Irish keeners, Victorian mutes, and mourners for hire in China and Britain today.

What archaeology shows about how people buried the dead during the Black Death: London's emergency cemeteries, mass trenches and single graves, and the wish for last rites.

Palermo's Capuchin Catacombs: how the friars began preserving their dead in 1599, why families paid to join them, Rosalia Lombardo, and today's research.

The history of the fear of being buried alive: where it came from, the waiting mortuaries and safety coffins it produced, the real and fictional stories, and why the fear faded.

Malta's Hypogeum: the 5,000-year-old rock-cut cemetery found in 1902, the 7,000 people buried there, the Sleeping Lady, and why only 80 visitors a day enter.

How American burial grounds changed from crowded churchyards to garden cemeteries, lawn cemeteries, and memorial parks, and how they inspired the public park.

The rules of Victorian mourning: how long people grieved, what they wore, the role of Queen Victoria, mourning jewelry and hair art, and why the customs faded.

What archaeology says about Viking funerals: ship burials like Oseberg and Gokstad, cremation versus burial, grave goods, and why the burning ship at sea is mostly a myth.

Why medieval royals buried their hearts apart from their bodies: Richard the Lionheart, Robert the Bruce, the Habsburg heart crypt, and the papal ban.

Why six million people's bones lie beneath Paris: the overflowing cemeteries, the 1780 collapse, the quarry ossuary of 1786, and visiting today.

Why New Orleans buries its dead above ground: the Spanish origin, what is true in the water-table story, St. Louis Cemetery No. 1, and how tombs are reused.

Why Victorian families photographed their dead: high infant mortality, costly photography, what the pictures looked like, and the posing-stand myth.

Why Victorians made jewelry from human hair: what it meant, Queen Victoria's example, Godey's Lady's Book patterns, the home craft, and why it faded.

What Sorry Business means in Aboriginal and Torres Strait Islander communities, why names and images of the dead may not be used, and how to show respect, from Australian government guidance.

A summary of documented positions of major religious traditions on medical aid in dying, assisted suicide, and euthanasia: Catholic, Protestant denominations, Latter-day Saints, Jewish, Muslim, Buddhist, Hindu, Unitarian Universalist, and others, with the common distinction about refusing burdensome treatment.

What ancestor veneration is, how it differs from worship, and how cultures in China, Africa, Southeast Asia, and elsewhere stay connected to the dead.

What Buddhism teaches about impermanence and death, the three marks of existence, the Buddha's discourses on mindfulness of death, the story of Kisa Gotami, and why practices vary between traditions.

A guide to how cultures around the world mark death, grouped by theme (ancestors, community mourning, care of the body, beliefs about judgment), with links to detailed articles on each tradition.

What Famadihana is, why families in Madagascar exhume and rewrap their ancestors, what the ceremony involves, what it costs, and why it is declining in some places.

What Ghana's fantasy coffins (abebuu adekai) are, where they came from, what the designs mean, who makes them, and why accounts of their origin differ.

A side-by-side comparison of Hindu, Buddhist, Jain, and Sikh teachings on rebirth: what is reborn, how karma works, what liberation means, and what path leads to it.

What a Māori tangihanga is: the three-day ceremony on the marae, the roles of the bereaved family and visitors, speaking to the dead, removing tapu, and how the tradition is changing.

What Día de los Muertos is, when it is held, where it came from, what goes on an ofrenda, how it differs from Halloween, and how it connects to festivals of the dead around the world.

What Obon is, when it is held, the Buddhist story of Mokuren behind it, how it grew out of Chinese and Japanese ancestor customs, what families do, and where sources disagree.

What Qingming is, when it falls, how the Cold Food Festival and the Tang dynasty shaped it, what families do, and where sources disagree about its origin.

What sky burial (jhator) is, where it is practiced, the Buddhist beliefs and practical reasons behind it, who performs it, and how it is changing.

What the Egyptian Book of the Dead was, how it was used, and the famous weighing of the heart scene, with details from the Met Museum and the British Museum's Papyrus of Ani.

How the Toraja of Indonesia mark death: keeping the deceased at home, the Rambu Solo' funeral, buffalo sacrifice, tau tau effigies, and the Ma'nene ritual of caring for ancestors, from published reporting.

Crossing the Styx: Hermes, Charon the ferryman, the coin in the mouth, why the unburied were left behind, and what archaeology shows about the custom.

What the Hungry Ghost Festival is, the Buddhist and Taoist roots behind it, the debate over its sutra, what families and communities do, and how customs differ.

Where the Irish wake came from, what traditional customs looked like (keening, stopped clocks, covered mirrors, wake games), and how the tradition has changed.

What researchers claim about children who report past-life memories, the University of Virginia research, what critics say, and why mainstream science does not accept reincarnation as the explanation.

The Tibetan Buddhist bardo: the 49 days between death and rebirth, its three phases, the Bardo Thödol read to the dying, and how the idea reached the West.

What Valhalla was in Norse mythology, who could enter it, Freyja's half of the slain, the einherjar and Ragnarok, and why the sources postdate the beliefs.

What Hinduism, Buddhism, Jainism, and Sikhism teach about reincarnation: what is reborn, how karma works, how liberation is reached, and how many people believe in it.

What the world's religions teach about life after death, with Pew Research data on how many people believe in heaven, hell, and reincarnation in the United States and around the world.

Why people bury objects with their dead: the earliest grave goods, Sunghir, Egypt, and Sutton Hoo, what archaeologists think they meant, and why it continues.

Why mirrors are covered after a death: the Jewish shiva custom, Victorian and Irish practice, the folk belief about spirits, how rabbis reinterpreted it, and what a Reform rabbinic source says about its origin.

How New Orleans jazz funerals work, where they came from, the role of social aid and pleasure clubs, what "cutting the body loose" means, and how they differ from second line parades.

What colors different cultures wear to mourn: black in the West and Japan, white in China and among Hindus, red and black in parts of Ghana, purple for widows in Thailand, and how to choose respectfully.

What a Japanese butsudan (Buddhist home altar) is, what an ihai memorial tablet is, how the custom developed, how it connects to Obon, and why fewer families keep one today.

Why some religions teach reincarnation and others do not: karma and release in Hinduism, Buddhism, Jainism, and Sikhism, one life and resurrection in Judaism, Christianity, and Islam, the exceptions, and what people actually believe.

What Zoroastrians believe about death, how the Towers of Silence work, why India's vulture decline has threatened the tradition, and how Parsi communities are responding.

How the words coffin, casket, undertaker, mortician, and funeral director arose, why 'casket' replaced 'coffin' in American usage, and how the funeral trade renamed itself in 1895.

How American funerals changed over the last century: from home funerals to funeral homes, the rise of cremation, the effect of The American Way of Death, the 1984 Funeral Rule, and the growing interest in green and home funerals.

A timeline of the oldest known human burials, from the disputed claim of 240,000 years ago to the Qafzeh graves and Africa's oldest grave, and what archaeologists can and cannot say about early funerals.

The origins of the words cemetery, necropolis, morgue, hearse, and funeral, including the Greek 'sleeping place,' the Paris building behind 'morgue,' and the farm tool behind 'hearse.'

Why funeral processions drive slowly and stay together: what a procession is, how cars are marked, the right-of-way rules (which differ by state), and what drivers should do.

Why most headstones are granite: how granite compares with marble, sandstone, and slate, how stones weather, and how the Vermont granite industry grew in the 1800s.

Why church bells toll for the dead: the passing bell, death knell, and lych bell, how strokes told a community who had died, where the "nine tailors" came from, and John Donne's famous line.

What archaeology shows about why humans bury their dead: the oldest graves, the evidence for ritual, the cases that are still debated, and why burial was never the only practice.

What "survived by" means in an obituary, how obituaries developed from 17th-century England and early American newspapers, how obituaries differ from paid death notices, and what a news-style obituary usually includes.

What coins on a grave mean: the penny, nickel, dime, and quarter, how the custom is tied to military graves, the Charon's obol story and why it is uncertain, and how it differs from the Jewish custom of leaving stones.

Where "six feet under" comes from, the 1665 London plague order, why no one is sure about the number, and how deep graves are dug today.

Why people put up headstones: the oldest grave markers, Greek and Roman epitaphs, the rise of churchyard markers in the 1600s, early American tablet stones, what the words headstone, tombstone, and gravestone originally meant, and why stone lasts.

Why people light candles for the dead: the Jewish yahrzeit candle, Catholic and Orthodox candles, the Paschal candle, Hindu lamps, and Día de Muertos altars, plus what the sources say about the custom's roots.

Why people plant trees when someone dies: tree symbolism across cultures, the yew and the oak, memorial groves and Yad Vashem, Arbor Day, and what researchers in the Netherlands and Finland found about memorial trees today.

Why people put flowers on graves: the debated Shanidar find, ancient Egyptian, Greek, and Roman customs, the Victorian language of flowers, and how flower meanings differ across cultures.

Why people say 'passed away' instead of 'died,' what a 39-country study found about euphemisms, when softer words cause confusion, and what hospices and bereavement charities advise.

Where "rest in peace" and R.I.P. come from: the Latin requiescat in pace, early Christian inscriptions, when the phrase appeared on gravestones, and how it moved into everyday English.

Why and how people send flowers when someone dies: the origins of the custom, what "in lieu of flowers" means, whether to send to the funeral home or the family's home, and what to do if you learn of the death late.

Why mourners throw dirt on a coffin: the Jewish custom of filling the grave, Christian graveside words, how families can take part in other ways, and why many find it helpful.

Why people visit graves, what grief research says about continuing bonds, studies from China, Hong Kong, and Germany, special days for visiting, and what to do if you cannot or do not want to visit.

Why Westerners wear black to funerals: the Victorian history, Queen Victoria's example, the stages of full and half mourning, her own request for a white funeral, and what to wear today.

An Everendium collection exploring the natural symbols - trees, seasons, light, water, and more - that have represented life, death, and rebirth across cultures for thousands of years.

What vanitas paintings are, where the word comes from, what skulls, hourglasses, candles, and bubbles meant, and why the genre flourished in the 17th-century Netherlands.

Why birds are linked with the soul: the Egyptian ba bird, what research says about sensing a loved one's presence after a death, why such experiences are common and usually benign, and how to think about them honestly.

Why the skull became a reminder of mortality: its medieval origin, the memento mori tradition, Dutch vanitas paintings, and what the symbols of skulls, hourglasses, and candles were meant to teach.

Why rivers symbolize death: the Greek Styx and Acheron, the Norse Gjöll, the Hindu Vaitarani and the Ganges, the Egyptian river of the underworld, and what we do and do not know about why the image is so common.

Why butterflies stand for the soul: the Greek word psyche, Cupid and Psyche, Aztec and Purépecha beliefs about monarch butterflies and the Day of the Dead, and what is and is not documented about how old those beliefs are.

Why so many festivals of the dead fall in autumn: Samhain, All Saints and All Souls, Día de Muertos, and what historians know and dispute about how the dates were set.

Why spring is a symbol of rebirth: the spring equinox, festivals such as Easter, Passover, Nowruz, and Holi, how the date of Easter is set, and the ancient myths of dying and returning gods.

Why the hourglass became a symbol of mortality: when it first appeared, its use in vanitas paintings and on gravestones, the winged hourglass and Father Time, and what the symbol was meant to teach.

Why the lotus is a symbol of rebirth: the difference between the Egyptian water lily and the Asian sacred lotus, how each tradition uses the flower, how a lotus actually blooms, and why the symbol does not require belief.

Where the phoenix myth came from: the Egyptian bennu, Herodotus's account, when fire entered the story, the Roman and early Christian uses, and how the Persian huma and the Chinese fenghuang differ.

Why the setting sun stands for death and return: the Egyptian Amduat's night journey of the sun god, how the dead were believed to follow it, the link to rebirth at dawn, and what is and is not documented.

Why the circle stands for eternity: the Egyptian ring and the ouroboros, wreaths in ancient Greece, mourning rings, why dates for the first wedding rings differ, and what the shape can mean in a modern memorial.

Why the tree is a symbol of life: world trees and trees of life in Norse, Jewish, Christian, Celtic, and Buddhist traditions, what the roots, trunk, and branches stand for, regrowing trees as symbols of continuation, and why scholars are cautious.

Why water stands for life, death, and rebirth: cleansing rituals across religions, the ritual washing of the dead, the Ganges, and the U.S. rules for scattering ashes at sea and in other waters.

What Cotard's syndrome is, who first described it, what 100 reported cases showed, which conditions it is linked to, and how it is treated, with notes on why evidence is limited.

What psychologists know about death anxiety: how common it is, how it changes with age, how religion relates to it, and which treatments help, based on reviews and large studies.

What Epicurus argued about death, how his atomist view of the soul supports it, what Lucretius's symmetry argument adds, and why philosophers still challenge it.

How three 20th-century thinkers saw death: Heidegger's being-toward-death, Sartre's view that death is meaningless, and Camus's response to the absurd. Includes a note on crisis support.

The main philosophical views on whether death harms the person who dies, including the deprivation account, the four standard objections, the symmetry problem, and Bernard Williams's argument about immortality.

What Montaigne argued about death in his essay 'That to philosophize is to learn to die,' what changed his mind, and how his later essays take a calmer, more everyday view.

What the Stoics, including Seneca, Epictetus, and Marcus Aurelius, taught about death: why they called it an indifferent, how they practiced remembering it, and what the philosophy does and does not promise.

What terror management theory claims about death and human behavior, where it came from, what experiments showed, and why recent replication failures have made it controversial.

What Epicurus, Lucretius, Thomas Nagel, and others argued about death: whether it is bad, whether we should fear it, and whether immortality would be good.

Where the five stages of grief came from, what a major 2007 study found, why researchers say grief doesn't follow fixed stages, and what that means for you.

What research says about a good death: the six themes from a landmark study of patients, families, and care providers, how doctors and families differ, and what it means for people who cannot make their own decisions.

Would you want to know when you will die? Research on why most healthy people say no, what seriously ill patients want, and how accurate doctors' estimates are.

Who Viktor Frankl was, what he observed, what logotherapy says, what the 2015 trial of meaning-centered therapy for advanced cancer found, and what the idea does and does not claim.

What death masks are, how they were made, who had them, and how post-mortem photography replaced them in the 1800s, a history of how people tried to keep the face of someone they had lost.

What scientists know about whether animals understand death: documented cases in orcas, elephants, chimpanzees, and others, the debate over grief, and other explanations for the behavior.

What science shows about whether dogs can sense illness or approaching death in their owners: scent detection research, its limits, surveys of dogs after a companion dog dies, and what remains unknown.

Who Kate Bowler is, how her stage IV cancer diagnosis led her to question the prosperity gospel she studied, what she has said about comforting phrases, and what her writing offers people supporting someone who is ill.

Who Mary Oliver was, the question at the end of "The Summer Day," how she wrote about death with gratitude, how her partner's death in 2005 shaped her late work, and why the question is left open.

What memento mori means, where it came from, and what psychology actually shows about whether remembering death makes life better, including the difference between brief reminders and deep reflection and a failed replication.

What Oliver Sacks wrote when he learned his cancer was terminal, how his four final essays came to be, and what they do and do not offer readers facing their own mortality.

Why some churches are decorated with human bones: how ossuaries began as a solution to crowded cemeteries, and the stories of Sedlec in the Czech Republic, Rome's Capuchin Crypt, and Hallstatt in Austria.

Who Randy Pausch was, what a 'last lecture' is, how his pancreatic cancer unfolded, what he talked about on September 18, 2007, and what happened afterward.

What Shakespeare's plays and sonnets say about death and what survives it: Hamlet and Claudio's fear of the unknown, the procreation sonnets, Sonnet 55 on verse outliving monuments, and Sonnet 71 on being remembered.

What Dylan Thomas's poem asks, when and why he wrote it, what research says about "fighting" language and about palliative care alongside treatment, and why raging and accepting are not opposites.

What Steve Jobs said about death in his 2005 Stanford commencement address, the cancer scare behind it, what happened to his health afterward, and what the speech does and does not show.

What Tolstoy's The Death of Ivan Ilyich is about: the judge's conventional life, the illness that follows a fall, the avoidance by doctors and family, the honesty of the servant Gerasim, what Ivan realizes, and why the story is still read in medicine.

What an elegy is, how the word changed from a Greek verse form to a poem of mourning, the main types (pastoral, personal), famous English elegies, and how modern poets write them.

The story of Gilgamesh and Enkidu, how Gilgamesh's grief leads him to seek immortality, how the tale ends, and where the surviving tablets come from.

Where the Dance of Death and the Grim Reaper came from: the 1425 Paris mural, the Black Death, the meaning of the images, and Holbein's famous woodcuts.

What a requiem is, how it differs from an ordinary Mass, and how Mozart, Verdi, Fauré, Brahms, and Britten each used it to express different feelings about death. Discusses the music, not lyrics.

What David Bowie's last album, Blackstar, shows about facing death: the timeline from recording to release to death, how he kept his illness private, what his producer said, and the open question for the rest of us about leaving a final statement.

Where the famous 'five regrets of the dying' list came from, why it is not a research finding, what studies of regret and of dying patients actually show, and how to use the list wisely.

What Emily Dickinson's life and poems show about death: the losses she lived through, how she died, how nearly 1,800 poems survived, and how the first edition and later scholarly editions came about.

How the language and symbols on gravestones changed from Puritan death's heads and Latin warnings to cherubs, urns, and willows, and how to read an old gravestone.

What Johnny Cash's final recordings show about reckoning with a life: American IV and its cover of "Hurt," who wrote the song, his health while recording, the video with his wife June, and what the cover shows about using another artist's words.

What Leonard Cohen said about being ready to die, what he said afterward, how his last album was made at home, his farewell letter to Marianne Ihlen, and why "ready" is not a simple word.

What Warren Zevon's final year shows about facing death honestly: his diagnosis, the October 2002 Letterman appearance and the "enjoy every sandwich" remark, how he made his last album, and what is and is not worth taking from his example.

What Paul Kalanithi did after his diagnosis, what he wrote, and what research on dying patients says about what matters at the end of life, including where people agree and where they differ.

Why people fear death and how that fear differs by age and belief: what psychologists have found, the main theories from Freud to Becker, and what helps when the fear becomes overwhelming.

Why the weeping willow is a symbol of grief on graves and in mourning art: its drooping branches, Psalm 137, Napoleon's tomb, and a botanical mix-up.

An Everendium collection of what writers, poets, philosophers, and musicians have taught us about living, dying, and remembering - organized into shelves, with each piece resting on named sources.

What cause, mechanism, and manner of death mean on a death certificate, how the five manners are defined, why the same cause can have different manners, and why 'cardiac arrest' is not a proper cause.

What the Blue Zones are, where the idea came from, the evidence and criticism about the age records behind it, the researchers' replies, and what the debate means for how we think about longevity.

What studies of birthdays and holidays show about the timing of death, including the Swiss birthday study, U.S. Christmas and New Year findings, the Passover and Harvest Moon studies, and what is still disputed.

How common child death was in the past, how it fell in the United States and worldwide, and what the latest United Nations and WHO figures show about where children still die.

How many people die each year around the world, the leading causes of death from the WHO's latest estimates, how rich and poor countries differ, and why the figures get revised.

Where the estimate of 117 billion people comes from, how demographers calculate it, why the living are a small fraction of all humans who have ever been born, and how uncertain the number is.

How U.S. life expectancy rose from 47 years in 1900 to 79 in 2024, why it rose, the dramatic dip in 1918, and what life expectancy does and does not mean.

How many women die from pregnancy and childbirth in the United States and worldwide, what counts as a maternal death, why the numbers differ, the leading causes, who is most at risk, and what is preventable.

The size of the U.S. death care industry: funeral homes, cemeteries, and crematories, how many there are, what they earn, cremation and burial rates, and typical costs.

A neutral overview of capital punishment in the United States: the legal history, current numbers, public opinion, and the main arguments for and against.

What the widowhood effect is, what major studies found about death risk after a spouse dies, what 'broken heart syndrome' is and is not, and why the numbers should be read with care.

The leading causes of death in the United States in 2024, with CDC counts for each, how the list has changed, and how causes of death are counted.

Where Americans die and how that changed from 2003 to 2017, with figures for home, hospital, nursing facility, and hospice, differences by illness, and what the data leave out.

How much higher U.S. death counts are in winter, which illnesses drive the peak, and what research says about cold, viruses, and other possible causes.

How big the gap between women's and men's life expectancy is, whether it appears worldwide, and what biology, smoking, and social factors do and do not explain, with 2024 CDC data.

What scientists know about the limits of human lifespan, the debate over a maximum age, and whether drugs and diets that extend life in animals could work in people.

Can scientists slow aging? What works in mice, what has been tested in people, the state of the evidence in 2026, and what actually helps.

What clinical death and biological death mean, how much time there is to revive someone, how common survival is after cardiac arrest, and what the "Lazarus phenomenon" is.

Could humans live to 150? The record of 122, the study arguing for a ceiling near 115, the 2021 estimate of 120 to 150, and what it would take.

What cryonics is, how it works, what it costs, who offers it, and what scientists say about whether anyone could ever be revived.

What crows do around dead crows, what University of Washington experiments showed about learning and danger, what brain imaging found, and why scientists hesitate to call it a funeral.

What a 2020 scientific review found about how wild elephants respond to dead elephants, what the researchers do and do not claim about grief, and what observations from Samburu, Kenya, add.

How death is determined in donation after circulatory death, what research says about the waiting period, why normothermic regional perfusion is debated, and what federal reviews of organ procurement found, with balanced context.

How ants, honeybees, and termites deal with dead nestmates, what chemical cues trigger it, why early naturalists spoke of ant 'cemeteries,' and why scientists see it as disease control.

What primates do with dead infants, how long mothers carry them in chimpanzees, bonobos, and geladas, and the main scientific explanations and their limits.

Which animals might escape death from aging: the "immortal" jellyfish, hydra, lobsters, and the Greenland shark, what "biologically immortal" really means, and what is myth.

What happened when orca J35 carried her dead calf in 2018 and 2025, what researchers said about calf survival in the endangered Southern Resident population, and why interpretation is debated.

How the zombie ant fungus and its relatives control insects: the death grip, the finding that the fungus spares the brain, and why humans are safe.

What a whale fall is, the three stages of the community that grows on a dead whale, how researchers studied them by sinking whales, and the bone-eating worms found only on whale bones.

How scavengers, beetles, flies, bacteria, and fungi break down a dead animal, and how its nutrients enrich the soil in what scientists call a cadaver decomposition island.

What the Yale pig studies did to brains and bodies after death, what they did not do, what it may mean for transplants, and the questions about defining death.

Why living things age: the three classic evolutionary theories (mutation accumulation, antagonistic pleiotropy, disposable soma), what they explain and don't, and the open questions in the biology of aging.

Why octopus mothers stop eating and die after laying eggs: the optic gland, the 1977 experiment, the 2018 and 2022 studies, and the evolutionary puzzle.

Why scientists study long-lived animals: naked mole rats, bowhead whales, bats, and the Greenland shark, what their biology shows, and the limits for humans.