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Toothbrush: The Origin of Stuff - Episode 1

What is the most personal item you own - one you don’t want anyone else using?

• 41 mins

High Heel: The Origin of Stuff - Episode 2

Katy Brand loves a high heel.

• 41 mins

Fork: The Origin of Stuff - Episode 3

Katy Brand explores the life of the unsung hero of the cutlery world – the fork.

• 38 mins

Wine Glass: The Origin of Stuff - Episode 4

Katy Brand toasts the wine glass, learning why it became the gargantuan glass it is today.

• 38 mins

Bed: The Origin of Stuff - Episode 5

Katy Brand reveals how our attitudes to sleep, sex and status are played out in the bed.

• 39 mins

Toilet: The Origin of Stuff - Episode 6

Katy Brand reveals how attitudes to the toilet have shaped its place in history.

• 37 mins

The Sound of Space

Dr Lucie Green takes a tour of the universe, revealing the hidden sounds of space.

• 28 mins

A Sense of Time

Does a second feel the same for a fly, a bird, or a swordfish, as it does for me?

• 29 mins

Inside the Killing Jar

Is it okay to kill insects in the name of science? Adam Hart explores the issues.

• 28 mins

A Trip around Mars with Kevin Fong

The alien mountains, canyons and craters, inspiring scientists and writers to explore Mars

• 28 mins

The Supercalculators

Alex Bellos meets the supercalculators taking part in the Mental Calculation World Cup.

• 28 mins

Hack My Hearing

Frank Swain, aged 32, is losing his hearing. But could he create a new super sense?

• 28 mins

Meet the Cyborgs

Are human cyborgs set to become a reality? Frank Swain investigates.

• 28 mins

The Misinformation Virus

Why fake science spreads faster online than the truth.

• 37 mins

Every Step You Take

Armed with her step-counting app, Claudia Hammond asks how wearable tech affect behaviour.

• 28 mins

The Science of Addiction

Sally Marlow turns to science to find out why so many people in Britain are addicted.

• 28 mins

First Flush of Love: Plastic Fantastic - Episode 1

Materials scientist Mark Miodownik explores our love-hate relationship with plastic.

• 28 mins

Things Start to Go Stale: Plastic Fantastic - Episode 2

Materials scientist Mark Miodownik explores our love-hate relationship with plastic.

• 28 mins

What's the Solution?: Plastic Fantastic - Episode 3

How do we address our over-reliance and misuse of plastic? Should we give it up?

• 28 mins

Climate Change and Me: Callum Roberts - Episode 1

Marine biologist Callum Roberts on how corals showed him the impact of climate change.

• 14 mins

Climate Change and Me: Sir John Lawton - Episode 2

Environmental scientist John Lawton describes the impact of global climate change on birds

• 14 mins

Climate Change and Me: Professor Mary Edwards - Episode 3

Geographer Mary Edwards on the melting of ice in the Arctic and climate change.

• 13 mins

Climate Change and Me: Professor Jennifer Leaning - Episode 4

Jennifer Leaning on human migration, the environment and climate change.

• 14 mins

Climate Change and Me: Richard Dawson - Episode 5

Richard Dawson on the UK's engineering infrastructure, flooding and climate change.

• 14 mins

Aleks in Wonderland: The International League of Geeky Gentlemen - Episode 1

The origins of the internet, and why nobody thought of making it secure.

• 29 mins

Aleks in Wonderland: The World Wide Villain - Episode 2

Did the World Wide Web's Utopian ideals spread crime and obscenity?

• 29 mins

Aleks in Wonderland: Attack of the Zombie Baby Monitors - Episode 3

Can we control the dark side of the internet?

• 28 mins

The Genius of Accidents: Viagra - Episode 1

Adam Hart investigates the accidental discovery of a little blue pill that changed sex.

• 14 mins

The Genius of Accidents: The Big Bang - Episode 2

Adam Hart investigates the accidental discovery of the evidence for the Big Bang.

• 14 mins

The Genius of Accidents: The Coelacanth - Episode 3

The story of a fish that was discovered 66 million years after its 'extinction'.

• 14 mins