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The Future of Free Speech

Tech companies and free speech

Is it up to tech companies to police what people should or shouldn鈥檛 say, post or tweet?

• 26 mins

Window on the universe

A new space telescope promises to transform our view of the universe.

• 26 mins

The Pandemic that Changed the World

Reasons: The pandemic that changed the world

Why did world leaders fail to work together to prevent the spread of Covid-19?

• 26 mins

The Pandemic that Changed the World

Remedies: The pandemic that changed the world

How should governments respond to the pandemic?

• 26 mins

The Pandemic that Changed the World

Rethinking: The pandemic that changed the world

Ian Goldin analyses the Covid pandemic, economic disaster and the future of globalisation

• 26 mins

The Senses

The senses: Touch

When our sensory system goes wrong, we learn how our senses help us understand the world

• 26 mins

The Senses

The senses: Vision

How glitches between our eyes and brain cause bewildering, even terrifying, images.

• 26 mins

The Senses

The senses: Hearing

鈥業 could hear my eyeballs moving鈥�: How rogue messages pass between our ears and brain

• 26 mins

The Senses

The senses: Smell and taste

鈥楨verything smelled of rotting flesh, even perfume鈥�: What happens when smell goes wrong?

• 26 mins

The Senses

The senses: Synaesthesia: When senses merge

Synaesthesia: We meet the man whose sister tastes of blackcurrant yoghurt

• 26 mins

The Sun, Our Star

It's the source and sustainer of all life on Earth, but what do we really know about it?

• 27 mins

The Sun, Our Star

The Sun, Our Star: Energy

How much energy can we get from the Sun?

• 27 mins

The Sun, Our Star

The Sun, Our Star: Ancient sun

How the Sun鈥檚 light and heat inspired rituals dating back to the earliest humans

• 26 mins

The Sun, Our Star

The Sun, Our Star: Space weather

What effect could solar winds have on life on Earth?

• 26 mins

The Sun, Our Star

The Sun, Our Star: Health and beauty

What does being deprived of sunlight do to you?

• 26 mins

Climate Wars

Climate Wars: Darfur

Will Robson examines the links between climate change and global conflicts

• 26 mins

Climate Wars

Climate Wars: Water conflicts

How drought is fuelling conflict in India and Pakistan

• 26 mins

Climate Wars

Climate Wars: The new Cold War

As temperatures rise in the Arctic, global superpowers are eyeing new opportunities

• 26 mins

Climate Wars

Climate Wars: The Sahel

How climate change is acting as a catalyst for conflict in Africa's Sahel region

• 26 mins

Climate Wars

Climate Wars: Central and Northern America

What impact is climate change having on human security in Central and Northern America?

• 26 mins

Can Germany Save the World?

Can Germany Save the World?: Mutti and her crisis management

Can Angela Merkel teach the world a lesson about managing crises?

• 26 mins

Can Germany Save the World?

Can Germany Save the World?: Building a post-Covid society

As governments rethink their economies and societies, could Germany provide the answers?

• 26 mins

Can Germany Save the World?

Can Germany Save the World?: Stepping up on the world stage

Is Germany ready to be more assertive on the world stage?

• 26 mins

Finders Keepers

Finders Keepers: A photograph, a pipe and a skull

Should priceless stolen objects that form part of history be returned to their origins?

• 26 mins

Finders Keepers

Finders Keepers: Icons and empire

Calls for the return of objects, looted from around the world are growing ever louder

• 26 mins

Finders Keepers

Finders Keepers: A house that came home

What chance do communities have of getting looted artefacts back?

• 26 mins

My Perfect City

The green city: San Francisco, USA

Is San Francisco鈥檚 recycling scheme and sustainable public transport a model to follow?

• 26 mins

My Perfect City

The smart city: Seoul, South Korea

How is data being used to help Seoul run smoothly?

• 26 mins

My Perfect City

The 24-hour city: London, UK

How the UK capital makes money around the clock

• 26 mins

My Perfect City

Participatory budgeting: Paris, France

In Paris citizens vote on how to spend the city鈥檚 budget. Is this a model to follow?

• 26 mins