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Friends

Is there a limit to the number of friends we can have?

• 9 mins

Outrage and moral conscience

Why is there so much outrage on social media?

• 9 mins

A world without livestock?

The meat burger with no meat

• 9 mins

Memory wars

Should you trust your memory?

• 9 mins

Economics and mosquito nets

What can economics tell us about the use of mosquito nets?

• 9 mins

Contact theory

How do you stop different groups from hating each other?

• 9 mins

The new distrust

Are we living through a crisis in trust?

• 9 mins

Are we all racist?

Are we all racist? Mahzarin Banaji puts this to the test with Implicit Association Test

• 9 mins

Inequality makes us anxious

Inequality makes people anxious. How?

• 9 mins

Dimensions of discrimination

Do black women face more prejudice than black men or white women?

• 9 mins

Democracy and famine

What is the cause of famine? It’s not the obvious answer

• 9 mins

How to stop murder

How can we reduce murder rates?

• 9 mins

The teenage brain

Why can’t teenagers get out of bed in the morning?

• 9 mins

Consciousness: A strange theory

Humans are conscious, but is consciousness also in tables and chairs?

• 9 mins

The intelligent tree

Are trees intelligent?

• 9 mins

A future without doctors?

AI will be of assistance, but surely we’ll always need surgeons, doctors, and nurses?

• 9 mins

How does language work?

How do we process language? We speak to a neuroscientist who specialises in language

• 9 mins

Why are some nations rich?

Why are some nations richer than others?

• 9 mins

The afterlife

Suppose you knew that after your natural death the human race would die out…

• 9 mins

Why do we laugh?

And why a cognitive neuroscientist says laughter deserves more research.

• 9 mins

How to topple a dictator

Is violent or non-violent protest more effective?

• 9 mins

The truth about marriage

And how your relationship may be less stable than you think.

• 9 mins

The fragility of choice

Where do our opinions come from and how easy is it for people to change them?

• 9 mins

Why do we find things disgusting?

Meet a ‘disgustologist’ who has been uncovering answers to our uneasy feelings

• 9 mins

Why living in the city could make you happier

What makes some cities more successful than others?

• 9 mins

Ubernomics

Does behaviour tracking help tech companies become better at saying sorry?

• 9 mins

Understanding emotions: Should we follow our hearts?

How noticing things in our bodies can help us read our feelings

• 9 mins

Big ideas: The body

David Edmonds discovers fascinating research on the human body

• 49 mins

How do we spot rogue cops?

Within every police force there are bad cops, but could there be a trick to spotting them

• 9 mins

The importance of fairness

Why it pays to be fair, and why people are less selfish than you think

• 9 mins