Why are millennials so attracted to starting their own businesses?
The popularity of texting is changing how we communicate and relate to each other
What do the marks on our skin tell us about ourselves and our place in the world?
Why is dystopic fiction so appealing?
In cases of sexual assault, why do people so often blame the victim?
Why is party planning so hard?
Why are we resilient?
An exploration of why and how music can exert a powerful effect on our emotions
Michael Blastland investigates talk of a crisis in masculinity.
Why do grandparents care for their grandchildren and what effect does it have on them?
Could the answer lie in our DNA, our upbringing or our lack of self control?
What evolutionary advantage does consciousness bestow upon us?
Why are humans conscious of so little of what goes on around us?
Why do we feel shy and what can we do about it?
Why do we get so attached to our intuitions? And can they mislead us?
What exactly is intuition? And why should we trust it?
Why do people ditch the comforts of modern life to go and sleep under the stars?
Why do some people reject traditional forms of education, housing and even government?
Sandra Kanthal asks if human nature is wired to fixate on the downsides of life.
What’s the power of make-up? Why can't many of us leave the house without it?
Happiness is a fundamental human desire, yet we often struggle to achieve it.
Why funerals matter so profoundly to us, as individuals and societies
Blending is a distinctly human activity. Why do we do it?
We find out how the natural world affects our mental health
Why do so many people care so much about their sports teams?
What makes people choose a life of isolation and silence?
Have we become obsessed with the idea of collaboration?
Why do we enjoy the misfortunes of others?
Computing history is filled with the accomplishments of women. But where are they now?
The need to discover our past and what this tells us about ourselves
Why do we choose to do things that could kill us?
Attitudes to tax are determined by some surprising factors.
How confidence can motivate us and help us live up to our potential
There is little overlap between how good people think they are and how good they are
When we know we’re in a hole, why do we find it so hard to stop digging?
Why should we value emotional labour?
People on the left are more likely to accept climate change than those on the right.
Why does what we know about an artist affect how we see their work?
Why is Cinderella such a universal story?
How stories help us connect, teach us empathy, and set the rules of society
A look at why living in a patriarchy affects the mother-daughter relationship
Why the father-daughter relationship is so important
Why is it OK to be anti fat?
Why do women still compete in beauty pageants?
Is Instagram’s popularity changing how architects design buildings and public spaces?
Is meritocracy just a utopian idea?
Why do we like to go fast – why are we so taken with speed?
Why are we so quick to point the finger of blame?
How are smart speakers affecting us, from privacy to child development?
Giving a gift - simple pleasure or risky business?
What motivates some to record every aspect of their exercise regime and share it online?
Why are more people taking on extreme endurance challenges which test them to the limit?
Why are we so fascinated by Zombies?
Why is there a hierarchy of musical instruments?
Why are we so fascinated with wine?
Why do we collude with corruption when it is unfair and costs us billions of dollars?
We all need a place to call our own. Why, for many men, is that place the garden shed?
Exploring the connection between horses and humans
Why is it so difficult to decide what is true in a world riddled with alternative facts?
Why Fact Checkers are so important in the fight to combat fake news
How when we suffer a scarcity of mental resources, we fail to plan for our futures
Why do people love plane, train and bird spotting?
Nastaran Tavakoli-Far asks why women seek alternative ways to improve their health.
Nastaran Tavakoli-Far on open secrets in religious organisations, businesses and families
What can the social media generation learn from the ancient art of persuasion?
Why do we get overwhelmed by caring about other people?
Feminist mothers share the complexities of bringing up a son and the conflicts that arise
A father can continue to influence a son long after they have stopped living together
Why is it we remember some facts easily, and others slip away?
We take a look at heartbreak and discuss why we suffer pain when a relationship ends.
Why are we fascinated with Antarctica?
Why boredom can be quite interesting
Sailor Lesley Curwen asks why we are drawn to go to sea
How our love affair with the boat can be a deep and passionate attachment
Why is new tech a mixed blessing for female friendships?
Why do men crave friendships with other men?
Caz Graham finds out why people go to their school reunion.
Why do we divide the world into us and them?
How would you define your status in society? And why do some suffer status anxiety?
Why do people want to fish when it is increasingly difficult?
Why has football becomes the world’s favourite team sport?
Why do so many people love landscapes like the English Lake District?
Why do we believe complete strangers can guide us in improving every aspect of our lives
Why do we have such a close and complex relationship with dogs?
Why do people chase immortality? We those who believe science is close to beating death
Why do people marry themselves, is it narcissism, or a bold step to finding happiness?
Why do people fall victims to online romance frauds
Why are we giving away our data so freely?
In the US, those least likely to be victims of gun violence are most likely to carry guns
Why do people create and inhabit fantasy worlds?
Why do people dream of opening a restaurant? Is the reality anything like the fantasy?
Why is the order in which we are born seen as a key to our character?
Why we need to think about machines and morals
Why do we look down on laziness?
Have you ever wondered what goes on behind closed doors of a men only club?
Why do so many people love Dinosaurs?
Why do bullies do what they do?
Why do we rely on the interview process when it's proven to be ineffective?
The Why Factor asks why we need to understand more about pain.
Why would anyone allow a stranger to access their mind?
Why are more and more people giving up all food produced from animals?
Why do some sleep disorders turn normal dreams into terrifying nightmares?
Why high levels of noise affects all of us and how to make our lives more tranquil
Around 2% of people claim they regularly hear voices in their heads. Are they all sick?
Bizarre bedtime behaviours that include a woman who went motorbiking while asleep
Catherine Carr asks why excessive drinking can sometimes seem to be socially acceptable
Why do so many societies demonise women by branding them witches?
Why we take courage from a crowd
Initiations can involve ordeals yet people put up with the pain. So why do we need them?
What politicians might learn from chimps and other primates about politics
Women apologise too much, men interrupt more. Are these stereotypes true?
Rhianna Dhillon finds out why so many films are dubbed into another language
Why do we visit sites of death, disaster and atrocity?
Why do some of us often feel like frauds?
Why do many of us find serial killers and their crimes so intriguing?
Lucy Ash goes in search of her inner dolphin, as she asks why people hold their breath
Why do people decide to stay put when faced with a natural disaster?
Why is living space important and how much do we really need?
Why would a woman choose to carry a baby for a complete stranger?
Why is it such an enduring concept and what does it mean in the modern world?
How much emphasis do we place on our jobs defining our identity?
Why do potentially life changing devices often feel so frustrating?
Why is storing and displaying human remains in museums contentious?
News has a powerful effect on people. But why do we have it? And what's it for?
Why do we eavesdrop?
Raising children is demanding, so why do we choose to raise other people’s children?
Lee Kumutat explores why deaf people are divided on the significance of Sign Language
Why do some people crave the limelight and what does it do to our bodies?
Why are men more violent than women?
Why do some people choose to remain childless?
Why do humans kiss?
Why would anyone share their husband or wife with another partner?
Why do foreign migrants yearn to go home and does returning make them happy if they do?
Are exams a fair judge of ability and understanding, or just a memory test?
Why do some people cause physical pain to themselves as a way to manage their emotions?
In this Why Factor, Matthew Sweet asks who are we talking to when we talk to ourselves
Dotun Adebayo discovers why anyone does a job where lots of people hate you
Are you a numbers person? Timandra Harkness explains how we get intimidated by numbers.
Why would anyone be a goth? What is the appeal of this dark and spooky subculture?
Shiulie Ghosh explains why we are all creatures of habits.
Why do some short people lie about their height?
Lane Greene explains how the words we choose can tell us a great deal about ourselves.
What lures people to delve deep beneath the earth, into the dark recesses underground?
Becky Milligan uncovers the secrets of applause and how it can be used to infect us all.
Why do men all over the world crave these six bumps on their stomach?
Valley Fontaine asks why do we do yoga, and how has it become so popular?
Whether it is making or fixing something, why do we enjoy working with our hands?
Why is listening different from hearing? And how can we develop that skill?
Why does this speech disorder cause so much shame amongst the millions affected by it?
Whether a toothy grin, a megawatt beam or a faint curve of the lips, why do we smile?
What is hypochondria, and why don’t we take this misunderstood malaise more seriously?
Does torture actually work, and can its use ever be justified?
Why do some people choose to be frozen at death, hoping to be brought back to life?
Why do we feel regret – is it right to live with it, or should we get over our mistakes?
In the countries where it’s legal, why do people choose to bear arms?
Why do some people take the law into their own hands?
From shopping lists to to-do lists – why do we make lists and what do they say about us?
Could you forgive the person who killed your child or who raped or tortured you?
Why does driving bring out the worst in some people?
Why did this type of aggressive behaviour evolve? And what purpose does it serve?
Why do we understand so little about female sexual pleasure?
Why do cities make us rude? What makes us behave so badly in urban areas?
Why are so many people obsessed with discovering their family origins?
Why do some people fill their homes and their lives with stuff?
Why do we make judgments about people without even realising?
Mike Williams asks why scientists and courts are so worried about eye-witness testimony
Why do we donate organs and will we still need to in the future?
Why do we write farewell letters? And how do we find the words to say goodbye?
Why do we feel so many different emotions when someone close to us dies?
Is it ever right to take a life? Mike Williams explores the dilemmas of assisted death.
What explains the success of the Hula-Hoop, Rubik’s Cube and Pokemon Go?
Why are we so fascinated with the superheroes which populate our comic books and movies?
Why is it that we find some voices more annoying than others?
What do our voices reveal about ourselves?
People are often labelled as shy, but introversion is very much misunderstood. Why?
The strange success of pets on the internet. Why?
What lies behind our often overwhelming fear of harmless animals?
Are we living in an age where messages of fear dominate and the truth goes unheard?
As auto-piloted cars begin tests Mike Williams asks if we will miss driving
Why are men more violent than women?
Mike Williams examines the Flynn Effect and finds out why we are all getting smarter.
Digital news is threatening newspapers, so why do they survive and what is their future?
Why are we attracted to some people and not to others?
What is loneliness and why do we feel it?
Mike Williams asks what exactly is a safe space?
Why do people copy famous works of art and who buys them?
Mike Williams asks why so many people want to be thin in a world grappling with obesity.
They help us in homes, hospitals and factories, so do we have reason to fear robots?
Mike Williams asks why some weeks just fly by but sometimes minutes can seem like hours?
To some statues pay homage to gods, to others they are attempts at immortalising man
What is the American Identity and why is it a portrait recognized around the world?
What does the world see when it looks towards America?
Gemma Cairney explores our eclectic tastes in music and where those tastes come from
How America's sense of national identity is perceived by the American people
Music fans and radio stations from Mexico to Myanmar explain the appeal of radio requests
Lee Kumutat asks why blind people must either be inspirational or deserving pity
The Why Factor examines one simple question: Who are you?
What is fanfiction and who writes it?
Mike Williams asks why supernatural beliefs have such a hold over different societies
Who are the magicians and why do they enjoy performing for us?
The Why Factor asks why some people believe in conspiracy theories and whether it matters.
Why do humans need to understand the infinite and the infinitesimal?
Why does pleasure and desire lead to addiction in some people but not others?
The science of pleasure and why we like the things that we like
What does water mean to us?
Examining the world of the Impersonators, con-artists and entertainers
Why does the age of consent for homosexual relationships differ?
Angie Hobbs asks why do we want or need heroes?
Is hypocrisy part of the human condition?
Why do we hunt? Why kill animals when we no longer need to do so to eat?
Why do we succumb to 'Groupthink' and how do we overcome the urge to be part of a crowd
From shopping lists to to-do lists – why do we make lists and what do they say about us?
Author Jung Chang explains how the skirt was dangerous during the cultural revolution
Why does the tie symbolise a desire to belong and conform as well as individuality?
The suit, it’s survived for the three centuries. But what’s its appeal?
Mike Williams asks why these simple garments are so appealing
Why is private tutoring becoming so commonplace? And what impact does it have?
Why are food allergies increasing in the rich world?
How did the bicycle change the world?
How did the trainer become an acceptable item of clothing?
Why do sports fans follow club teams, even when they may live thousands of miles away?
Why does commuting make us the people we are and how?
Graffiti is both an ancient and modern activity, but why do we do it?
Despite all the new entertainments on offer, dolls endure. Why?
Why tea is the second most popular drink in the world after water.
Why do we have such a complicated relationship with the space we live in?
Where do Human Rights come from and how are they used?
An exploration of the meaning of sacrifice to mark the centenary of World War One
Why do people give their lives for a nation? For a cause?
It’s something that will come to all of us. So why is it so hard to talk about death?
They hold our secrets, and preserve our memories, but why do we need diaries?
Mike Williams asks why do we leave the comfort of our homes to go travel?
Why is a home so important and how does it shape us?
What is encryption and why do we do it?
Why do we lose the ability to do routine tasks under pressure?
How would you define yours and how much does it matter?
We have all used cash but what exactly is it and do we still need it?
Why do some people expose themselves to risks and why are we so bad at assessing them?
The origins and history of chillies and why we eat a food that burns
What makes us draw, how do we get good at it and what do we reveal through our drawings?
How did beards evolve and what is their purpose?
Why do blue jeans have such global appeal?
How the Y chromosome transforms a female embryo to a male one
Why does television have such a powerful influence on our lives?
What does collecting of inanimate objects bring to our lives?
Why do we use jargon?
Why do people try and project human qualities onto animals?
How did modern circuses develop? And why do they appeal to adults and children worldwide?
Does everyone’s mind wander? And why do we do it?
Every year, across the world, around a million people take their own lives. But why?
At the mercy of people smugglers, how do refugees make their often perilous journeys?
Why more than 50 countries around the world still execute certain criminals
Why do we lose our memories, and why are there are some things we can not forget?
Why do we love stories about criminals and the people who bring them to justice?
Mike Williams asks why we build tall buildings
Why do the rich want to get richer? What drives the wealthy to want more?
Why do some people give the vast majority of their money away?
Watches have been an indicator of status since their invention. Mike Williams asks why
Sad music has become more popular according to a recent study. Why do people listen to it?
From identity symbols to signalling tools, why human societies are fascinated by flags
Mike Williams asks why are we loyal, and who are we really loyal to?
Why do we want to capture human faces?
Why has the moon fascinated humans from every culture and for all time?
People have fought for it and died for it. Why is this notion so powerful?
Why do we use perfume and what does it say about us?
Why do we share? And, what happens inside our brains when we do?
Why does the naked human form provoke such strong reactions?
Why do we cook food rather than just eat it raw?
The disappearing art of the hand-written letter and three stories of love
Why do we read, or write poetry, as opposed to prose?
How we remember the dead, and why does it matter?
How do we remember the dead and why does it matter?
How has the 1500-year-old game mirrored politics and changes in society?
What is embarrassment, why do we feel it and is it a good thing? Mike Williams finds out
Is Karma fatalism or guidance on how to improve your life?
Why do we place so much trust in brands? And who benefits from them?
Why is it so hard to pin down what we mean by charisma?
History’s greatest rivals, and the creative and destructive sides of rivalry
Would you risk your life for a stranger?
What brings people out into the streets to take direct action against the powerful?
Celebrating the 100th edition of The Why Factor
Why do people have gardens and do gardening?
Why do we like to gossip – and is it good for us?
Why do so many people claim to see ghosts?
Associated with morality, modesty, politics and religion why is chastity so complicated?
Why do we go on pilgrimages?
Why do we go on long walks? Mike Williams finds out
Why has the moon fascinated humans from every culture and for all time?
Why do we say sorry – and what do we really mean by it?
What is coincidence and why do we attach meaning to it?
The power of patriotism from WW1 to today and truths and myths of the modern nation state
What do our accents say about us? Why do they matter?
Why is making eye contact so important?
Mike Williams asks why the fool or jester has been an important figure in many cultures
How to get ahead in diplomacy, from negotiations to polite language and secret code words
Why are we competitive? Is it a natural instinct?
Why does symmetry exist and why do we see such beauty in it?
What makes snippets of popular songs go round and round in our heads?
Why do humans kiss?
Does luck exist and does believing in luck help or hinder us in life?
Why do we read horoscopes?
Why are people racist and judged by the colour of their skin?
Why do we get bored and what does it say about how we engage with the world around us?
What is envy and why can it be dangerously destructive or make us strive for success?
Why does movement move us?
Could your last name determine your career? Mike Williams explains
Everyone has one, but what do names say about us?
Why is privacy so important to us?
Why the production and consumption of coffee matters so much around the globe
Why are our feelings about trees so mixed? Mike Williams explains
Why is adolescence so difficult?
How do different cultures view physical contact in everyday life?
Why does homosexuality exist? Is it nature or nurture? Mike Williams and guests discuss
Tracing the power and use of masks and what they mean for us culturally
Why do so many people drink alcohol? And why do some struggle to control it?
In the UK, running is increasing in popularity. So why are we running now more than ever?
Fritz Haber harnessed nitrogen to feed billions, but was also the pioneer of gas warfare
How the way we borrow and lend money is changing
Artist Grayson Perry, a train driver and a detective novelist on why they cross dress
Crying emotional tears is uniquely human but why do we do it?
Where did the fascination with elevated footwear come from? Why wear high heels?
How far can or should we pursue solitude?
They represent power, they can generate fear, but why do we have secrets?
Why do some people have a darker outlook on life while others have a brighter one?
How different cultures define telling the truth
Why are we obsessed with speed? Mike Williams investigates.
Why do we bully, why do some do it and others allow it?
Why some words have such power to shock and offend
Burial is a practice that’s been carried out for centuries – but why do we do it?
Why do we look back and yearn for the past, or recall sweet memories of our youth?
Sad music has become more popular according to a recent study. Why do people listen to it?
Why people choose to abstain from food for religious - and non-religious - reasons
How human memory works and why some memories are remembered more easily than others
The history of hair removal and what it tells us about notions of female beauty
Does true love have to be monogamous? We hear three very modern love stories.
Why has the modern world become so obsessed with celebrity culture?
What draws people to mountains and take risks scaling dangerous peaks?
What explains our enduring attraction to violent entertainment?
Why are attitudes towards older people often so negative?
What motivates people to decorate their bodies with ink?
Why are we fascinated with fire and what do myths tell us about how we view its power?
Why do humans live in cities? And, what are the pros and cons of the modern metropolis?
The second of two programmes looking at why we bathe: the rituals and practices.
Why can the ubiquitous act of bathing mean so many different things for different people?
The compelling attractions of the sea through literature and science
Why millions of women - and some men - paint their faces
Why play with a ball? Mike Williams finds out how ball games first evolved
Why do we lie? How do different cultures define telling the truth?
Why do we experience disgust?
Why do we live with cats and dogs?
Why are we so fascinated by gold?
Singing is a way of bringing people together, expressing joy or sadness. Why do we sing?
Why do humans kiss?
Why are attitudes towards older people often so negative?
Why do we retire?
The second of two programmes about humans and sleep.
The first of two programmes which looks at human behaviour and sleep.
What role does silence play in our lives and why can it be so poignant or so awkward?
What is Post Traumatic Stress Disorder, and why is it so controversial?
We all have memories but do we share some of those, socially or collectively? If so, why?
Why has the open plan office become the norm in many places, despite the distractions?
Mike Williams peers into the world of black and asks why it has so many different meanings
Why do we behave differently when we are in a large crowd?
Mike Williams explores the myths and mysteries of the mirror
Why are the men of Bukom in Accra so good at boxing?
Where did the fascination with elevated footwear come from and what do they tell us?
Why have we forgotten Fritz Haber?
The strange customs and conduct that make up ‘good manners’. Where do they come from?
The Sackman - a very different Father Christmas
Why do we find the beat of the drum so intoxicating?
Why do some of us enjoy and endure fear, horror and suspense?
What is fear? Are our fears universal and how do we go about facing our fears?
What changes when taps come to town? Mike Williams travels to Ghana.
The weird world of the colour blue.
Why do different cultures mark the advent of adulthood at different ages?
Millions of us use this gesture but where does this everyday ritual come from?
Why do we care so much about the hair on our heads? Join Mike Williams to find out why.
What is it that actually triggers our laughter, do all of us find the same things funny?
The history and design of the bullet and why people use them
In this week's programme Mike Williams looks at why people start smoking.
This week, the lift. Why do we behave so oddly inside them?
Why do we do the things we do? This week, Mike Williams asks why we wear neckties.
Mike Williams on where tattoos come from and what they say about us.