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Why do we laugh?

And why a cognitive neuroscientist says laughter deserves more research.

• 10 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

• 10 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

• 13 mins

Why living in the city could make you happier

What makes some cities more successful than others?

• 13 mins

Ubernomics

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

• 15 mins

Understanding emotions: Should we follow our hearts?

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

• 12 mins

How do we spot rogue cops?

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

• 11 mins

The importance of fairness

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

• 12 mins

The science of sleep

What does sleep do for us, and what can go wrong if we don't get enough?

• 14 mins

Do cities need rules?

How does the way a city is run change its inhabitants' lives?

• 9 mins

The new normal

How Donald Trump is reshaping our ideas of normal behaviour

• 11 mins

The science of addiction

Why drug addicts want drugs – even when they don’t

• 11 mins

Fighting pandemics

The 2020 pandemic has transformed our world, but it won’t be the last to do so

• 11 mins