Why Does Everyone Wear Trainers?

How did the trainer become an acceptable item of clothing?

• 17 mins

Why Do We Love the Bicycle?

How did the bicycle change the world?

• 17 mins

Why Can’t Some People Eat Certain Foods?

Why are food allergies increasing in the rich world?

• 17 mins

Tutoring

Why is private tutoring becoming so commonplace? And what impact does it have?

• 17 mins

What Makes us Want to Wear T-Shirts?

Mike Williams asks why these simple garments are so appealing

• 17 mins

Why do we wear Suits?

The suit, it’s survived for the three centuries. But what’s its appeal?

• 17 mins

Why Do We Wear Ties?

Why does the tie symbolise a desire to belong and conform as well as individuality?

• 17 mins

Why Do We Wear Skirts?

Author Jung Chang explains how the skirt was dangerous during the cultural revolution

• 17 mins

Why Do We Make Lists?

From shopping lists to to-do lists – why do we make lists and what do they say about us?

• 17 mins

Group Thinking

Why do we succumb to 'Groupthink' and how do we overcome the urge to be part of a crowd

• 17 mins

Hunting

Why do we hunt? Why kill animals when we no longer need to do so to eat?

• 17 mins

Hypocrisy: Why do People Often say One Thing and do Another?

Is hypocrisy part of the human condition?

• 17 mins

Why Do we Want or Need Heroes?

Angie Hobbs asks why do we want or need heroes?

• 17 mins

Age of Consent

Why does the age of consent for homosexual relationships differ?

• 17 mins

Impersonators: Why do People Pretend to be Someone Else?

Examining the world of the Impersonators, con-artists and entertainers

• 17 mins

Why is Water Exceptional?

What does water mean to us?

• 17 mins

Pleasure: Why We Like the Things We Like

The science of pleasure and why we like the things that we like

• 17 mins

Addiction: Why Do Some People Succumb to it?

Why does pleasure and desire lead to addiction in some people but not others?

• 17 mins

Why We Search for the Origins of Life

Why do humans need to understand the infinite and the infinitesimal?

• 17 mins

Conspiracy Theory

The Why Factor asks why some people believe in conspiracy theories and whether it matters.

• 17 mins

Magicians: Inside their Minds

Who are the magicians and why do they enjoy performing for us?

• 17 mins

Supernatural Powers

Mike Williams asks why supernatural beliefs have such a hold over different societies

• 17 mins

Fanfiction

What is fanfiction and who writes it?

• 17 mins

Identity

The Why Factor examines one simple question: Who are you?

• 17 mins

Why I’m Not Just Blind

Lee Kumutat asks why blind people must either be inspirational or deserving pity

• 17 mins

Radio Requests

Music fans and radio stations from Mexico to Myanmar explain the appeal of radio requests

• 17 mins

How America Sees Itself

How America's sense of national identity is perceived by the American people

• 17 mins

Dolly, Dylan or Daft Punk

Gemma Cairney explores our eclectic tastes in music and where those tastes come from

• 49 mins

How the Rest of the World Sees America

What does the world see when it looks towards America?

• 17 mins

Life, Liberty and the American Identity

What is the American Identity and why is it a portrait recognized around the world?

• 49 mins