The Why Factor Episodes Episode guide
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Symmetry
Why does symmetry exist and why do we see such beauty in it?
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Sticky Songs
What makes snippets of popular songs go round and round in our heads?
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The Kiss
Why do humans kiss?
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Luck
Does luck exist and does believing in luck help or hinder us in life?
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Horoscopes
Why do we read horoscopes?
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Racism
Why are people racist and judged by the colour of their skin?
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Boredom
Why do we get bored and what does it say about how we engage with the world around us?
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Envy
What is envy and why can it be dangerously destructive or make us strive for success?
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Dance
Why does movement move us?
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Family Names
Could your last name determine your career? Mike Williams explains
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Given Names
Everyone has one, but what do names say about us?
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Privacy
Why is privacy so important to us?
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Coffee
Why the production and consumption of coffee matters so much around the globe
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Trees of Life
Why are our feelings about trees so mixed? Mike Williams explains
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Adolescence
Why is adolescence so difficult?
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Touch
How do different cultures view physical contact in everyday life?
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Homosexuality
Why does homosexuality exist? Is it nature or nurture? Mike Williams and guests discuss
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Masks
Tracing the power and use of masks and what they mean for us culturally
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Alcohol
Why do so many people drink alcohol? And why do some struggle to control it?
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Running
In the UK, running is increasing in popularity. So why are we running now more than ever?
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Nitrogen: Forgetting Fritz
Fritz Haber harnessed nitrogen to feed billions, but was also the pioneer of gas warfare
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Debt
How the way we borrow and lend money is changing
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Cross Dressing
Artist Grayson Perry, a train driver and a detective novelist on why they cross dress
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Crying
Crying emotional tears is uniquely human but why do we do it?
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The Heel
Where did the fascination with elevated footwear come from? Why wear high heels?
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Solitude
How far can or should we pursue solitude?
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Secrets
They represent power, they can generate fear, but why do we have secrets?
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Optimism and Pessimism
Why do some people have a darker outlook on life while others have a brighter one?
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The Lie
How different cultures define telling the truth
