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Surrogacy

Why would a woman choose to carry a baby for a complete stranger?

• 23 mins

How to Live Small

Why is living space important and how much do we really need?

• 23 mins

Staying Put

Why do people decide to stay put when faced with a natural disaster?

• 23 mins

Breath-holding

Lucy Ash goes in search of her inner dolphin, as she asks why people hold their breath

• 23 mins

Serial Killers

Why do many of us find serial killers and their crimes so intriguing?

• 23 mins

Imposter Syndrome

Why do some of us often feel like frauds?

• 23 mins

Dark Tourism

Why do we visit sites of death, disaster and atrocity?

• 23 mins

Dubbing Movies

Rhianna Dhillon finds out why so many films are dubbed into another language

• 23 mins

Men, Women and Language

Women apologise too much, men interrupt more. Are these stereotypes true?

• 23 mins

What Can Chimps Teach us About Politics?

What politicians might learn from chimps and other primates about politics

• 23 mins

Initiations

Initiations can involve ordeals yet people put up with the pain. So why do we need them?

• 23 mins

The Crowd

Why we take courage from a crowd

• 23 mins

Witches

Why do so many societies demonise women by branding them witches?

• 23 mins

Alcohol Addiction

Catherine Carr asks why excessive drinking can sometimes seem to be socially acceptable

• 23 mins

Sleepwalking

Bizarre bedtime behaviours that include a woman who went motorbiking while asleep

• 23 mins

Why do People Hear Voices in Their Heads?

Around 2% of people claim they regularly hear voices in their heads. Are they all sick?

• 23 mins

Noise

Why high levels of noise affects all of us and how to make our lives more tranquil

• 23 mins

Dreaming

Why do some sleep disorders turn normal dreams into terrifying nightmares?

• 23 mins

Vegans

Why are more and more people giving up all food produced from animals?

• 23 mins

Hypnotism

Why would anyone allow a stranger to access their mind?

• 23 mins

Pain

The Why Factor asks why we need to understand more about pain.

• 23 mins

Interviews

Why do we rely on the interview process when it's proven to be ineffective?

• 23 mins

Bullies

Why do bullies do what they do?

• 23 mins

Dinosaurs

Why do so many people love Dinosaurs?

• 23 mins

Why are some places still men only?

Have you ever wondered what goes on behind closed doors of a men only club?

• 23 mins

Laziness

Why do we look down on laziness?

• 23 mins

Machines and Morals

Why we need to think about machines and morals

• 23 mins

Sibling Birth Order

Why is the order in which we are born seen as a key to our character?

• 23 mins

Restaurants

Why do people dream of opening a restaurant? Is the reality anything like the fantasy?

• 23 mins

Fantasies

Why do people create and inhabit fantasy worlds?

• 23 mins