The Why Factor Episodes Episode guide
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Speed
Why are we obsessed with speed? Mike Williams investigates.
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Bullying
Why do we bully, why do some do it and others allow it?
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Swearing
Why some words have such power to shock and offend
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Burial
Burial is a practice that鈥檚 been carried out for centuries 鈥� but why do we do it?
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Nostalgia
Why do we look back and yearn for the past, or recall sweet memories of our youth?
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Sad Music
Sad music has become more popular according to a recent study. Why do people listen to it?
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Fasting
Why people choose to abstain from food for religious - and non-religious - reasons
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Memory
How human memory works and why some memories are remembered more easily than others
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Female Body Hair
The history of hair removal and what it tells us about notions of female beauty
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Monogamy
Does true love have to be monogamous? We hear three very modern love stories.
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Celebrity
Why has the modern world become so obsessed with celebrity culture?
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Mountains
What draws people to mountains and take risks scaling dangerous peaks?
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Violent Entertainment
What explains our enduring attraction to violent entertainment?
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Ageing
Why are attitudes towards older people often so negative?
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Tattoos
What motivates people to decorate their bodies with ink?
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Fire
Why are we fascinated with fire and what do myths tell us about how we view its power?
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The City
Why do humans live in cities? And, what are the pros and cons of the modern metropolis?
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Confession
Why would anyone confess to the bad things they have done?
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Bathing: Water, Health and Well-being
The second of two programmes looking at why we bathe: the rituals and practices.
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Bathing: Supernatural Waters
Why can the ubiquitous act of bathing mean so many different things for different people?
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The Sea
The compelling attractions of the sea through literature and science
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Make-up
Why millions of women - and some men - paint their faces
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The Ball
Why play with a ball? Mike Williams finds out how ball games first evolved
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The Lie
Why do we lie? How do different cultures define telling the truth?
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Disgust
Why do we experience disgust?
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Pets
Why do we live with cats and dogs?
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Gold
Why are we so fascinated by gold?
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Singing
Singing is a way of bringing people together, expressing joy or sadness. Why do we sing?
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The Kiss
Why do humans kiss?
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Ageing
Why are attitudes towards older people often so negative?
