Science

10: Themes and Variations | Life On Earth

David Attenborough looks at some of the huge variety of mammals. The tree shrew has attracted great interest as it shows how mammal...

Cat Tales: In from the Wild | Dog Tales and Cat Tales

S1E15: Digestion | Brain Freeze

Knowles and McCork explore the digestive system of Colin the floor manager.

S3E14: Taste | Brain Freeze

Knowles and McCork ask 'Why do we make saliva while we eat?'

S3E5: Teeth | Brain Freeze

Knowles and McCork ask the question 'Why do we have baby teeth?'

S3E3: Invisible | Brain Freeze

Knowles and McCork ask the question 'Which animal can turn invisible?'

S3E1: Blood | Brain Freeze

Knowles and McCork ask the question 'How does my heart keep beating?'

S2E15: Largest | Brain Freeze

Knowles and McCork ask what is the largest animal of all time?

S2E14: Goldfish | Brain Freeze

Knowles and McCork ask if goldfish have bad memories and find out what makes them tick.

S2E12: Eyesight | Brain Freeze

Knowles and McCork ask the question 'Which animal has the best eyesight?'

S2E13: Beards | Brain Freeze

Knowles and McCork find out why girls can't grow beards and what would happen if a man never shaved.

S2E11: Cats | Brain Freeze

Knowles and McCork ask 'Why do cats purr?'

S2E6: Venom | Brain Freeze

Knowles and McCork ask 'What is the world's most venomous animal?'

S2E1: Jumping | Brain Freeze

Knowles and McCork ask 'Which animal can jump the farthest?'

S1E11: Love | Brain Freeze

Knowles and McCork ask, what happens when we fall in love?

S1E2: Haircut | Brain Freeze

Knowles and McCork ask why a haircut doesn't hurt.

S1E14: Why Is My Tongue Wet? | Nina and the Neurons

Corin asks Nina why tongues are wet, and with a few experiments they discover the reason.

S1E9: Nina Needs A Wee | Nina and the Neurons

Nina goes to Spain to meet Jessica and to find out how we know when we need to use the toilet.

S1E8: All Bunged Up | Nina and the Neurons

Lucy from Edinburgh wants to know why people cannot taste when they have a cold.

S1E6: Eyebrows | Nina and the Neurons

Nina helps Sam from Morecambe find out what eyebrows are for, and what eyebrows can tell us about what people are feeling.

13: Earth and Space Special | Horrible Science

Rapping science teacher Matt Green becomes the first human being ever to visit Quark when he joins Pipette on her home planet ...

Episode 3 | Orbit: Earth's Extraordinary Journey

Kate Humble is in the Arctic, where spring arrives with a bang. Helen Czerski chases a tornado to show how the earth's angle...

Episode 2 | Orbit: Earth's Extraordinary Journey

Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, this time travelling from ...

Orbit: Earth's Extraordinary Journey

Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, travelling first from July to the Dece...

S1E20: You Try to Catch a Falling Star? | Hey You, What If?

What happens if you try to catch a falling star? Spoiler alert - probably best not to try!

S1E18: The Earth Was Shaped Like a Doughnut? | Hey You, What If?

Would it be possible to live on an Earth shaped like a doughnut? You might be surprised!

S1E16: You Could Actually Reach for the Stars? | Hey You, What If?

Want to reach for the stars? It would be the journey of a lifetime - literally.

S1E14: You Could Live on the Moon? | Hey You, What If?

Some day people will live on the moon - find out just what they are in for.

S1E10: The Earth Was Flat? | Hey You, What If?

Find out why a flat Earth would feel very unflat indeed!

S1E9: The Moon Was Made of Cheese? | Hey You, What If?

Things don't quite go to plan when the moon turns into cheese.

S1E8: The Earth Stopped Spinning? | Hey You, What If?

Find out why stopping the earth from spinning isn't such a good idea.

S1E5: You Could Go on Holiday to Mars? | Hey You, What If?

Experience the ultimate in long-distance travel - a holiday on Mars!

S1E3: You Could Take a Lift to Space? | Hey You, What If?

What would happen if there really was a lift that took you all the way up to space?

S1E1: You Fell Into a Black Hole? | Hey You, What If?

Experience the most extraordinary ride in the universe - falling into a black hole.

S3E12: Walk | Brain Freeze

McCork and Knowles ask 'How long would it take to walk the Earth?'

S3E10: Time Zone | Brain Freeze

In this time zone special, Knowles and McCork ask 'Why does the Earth spin on its axis?'

S3E6: Salty | Brain Freeze

Live from the seaside, Knowles and McCork ask the question 'Why is the sea salty?'

S3E4: Space Food | Brain Freeze

Knowles and McCork ask the question 'Could pineapples grow on the moon?'

S2E16: Space | Brain Freeze

Knowles and McCork ask the question 'What is a black hole?'

S2E2: Shooting Star | Brain Freeze

Knowles and McCork ask the question 'What is a shooting star?'

3: Cat Talk | Cat Watch 2014: The New Horizon Experiment

Liz Bonnin and a team of experts conduct a groundbreaking scientific study of cats. They reveal the secret language ...

1: A Cat's Eye View | Cat Watch 2014: The New Horizon Experiment

Liz Bonnin and a team of experts conduct a groundbreaking scientific study of cats, revealing how cats exper...

S3E9: Ancestors | Brain Freeze

Dr Knowles and Professor McCork ask the question 'Are we all related?'

S1E12: Dinosaurs | Brain Freeze

Knowles and McCork ask why the dinosaurs became extinct.

Over land and sea | Penguins: Meet the Family

Penguins are adapted to survive and thrive both in the sea and on land.

Penguin chicks | Penguins: Meet the Family

Penguin chicks are extraordinarily adapted to survive in harsh environments.

The Beginning of Life | Life on Earth

David Attenborough explains the origins of life on earth, starting over three and a half thousand million years ago.

Finding Food in the snow | Life In The Snow

How wolverines have adapted to finding and eating food in the snow.

Adaptation of the Reindeer | Life In The Snow

An exploration of how reindeer have adapted to living in freezing climates.

Adaptation of the Owl | Life In The Snow

An exploration of how the great grey owl has adapted to catching it's prey.

Adaptation of the Arctic Fox | Life In The Snow

An exploration of how the artic fox's coat has adapted to survival in arctic winters.

Smelly lemurs | Life

Smell is of particular importance to the primates of Madagascar: the lemurs.

The Weddell seal's adaptations | Life

The Weddell seal is perfectly adapted to survive in the environment it must endure.

Bouncing toads | Life

A toad deploys its defence mechanism in order to evade a toad eating tarantula.

Meow Meow | Cat Watch 2014: The New Horizon Experiment

Domesticated cats have evolved to be able to communicate as effectively with humans as with other felines.

From tabby to tiger | Cat Watch 2014: The New Horizon Experiment

All cats are born with an innate desire to hunt, but most are taught how by their mothers.

Hunting heritage | Cat Watch 2014: The New Horizon Experiment

Cats continue to have characteristics inherited from their ancestors.

Chemical messages | Cat Watch 2014: The New Horizon Experiment

Cats leave chemical messages to other cats, which can be picked up with their exceptional sense of smell, whic...

World of sound | Cat Watch 2014: The New Horizon Experiment

Cats have exceptional hearing as a result of a variety of evolutionary advantages.

Sensory adaptations | Cat Watch 2014: The New Horizon Experiment

Cats have sensory evolutionary advantages which enable them to be sucessful predators.

1: One Ocean | Blue Planet II

Wildlife documentary series presented by David Attenborough, revealing new worlds and animal behaviours throughout the planet's oceans.

7: Our Blue Planet | Blue Planet II

David Attenborough explores the issues behind the series' most spectacular stories and examines the future of the planet.

6: Coasts | Blue Planet II

The wildlife series narrated by David Attenborough explores the planet's coasts. They are the most changeable of the ocean worlds, but they offer ...

5: Green Seas | Blue Planet II

The wildlife series narrated by David Attenborough explores the planet's green seas. From enchanted forests to undersea prairies, they teem wi...

4: Big Blue | Blue Planet II

The wildlife documentary series narrated by David Attenborough explores a vast ocean desert where sperm whales must dive 1,000 metres just to feed.

3: Coral Reefs | Blue Planet II

The wildlife documentary series narrated by David Attenborough reveals the ingenious ways life exists in the undersea cities of tropical reefs.

2: The Deep | Blue Planet II

The wildlife documentary series narrated by David Attenborough goes on groundbreaking journey to the deepest parts of the oceans.

04: Saving the Forest | Landmarks

Despite the destruction, there are ways to save the forest, by careful harvesting, protecting, learning, replanting, policing - and campaig...

03: Destroying the Forest | Landmarks

By the next century, the rainforests of the world could have disappeared for ever, destroyed by outside influences and economic pressur...

01: The Living Forest | Landmarks

The Living Forest looks at all the animals & plants that live in the forest on the ground to the forest canopy, & shows how they live in ba...

02: People of the Forest | Landmarks

People of the Forest looks at the Baka of the Cameroon & the Kayapo of South America & how their lives work in balance with the rainforest.

5: Armoured Giants | Life in Cold Blood

David Attenborough meets the reptile heavyweights, showing what it's like to live in a suit of armour, and revealing a warm and carin...

3: Dragons of the Dry | Life in Cold Blood

David Attenborough reveals the surprising truth about the cold-blooded lives of reptiles and amphibians, including wrestling beade...

4: Sophisticated Serpents | Life in Cold Blood

David Attenborough reveals the fascinating lives of snakes. A CCTV stakeout of wild rattlesnakes hunting shows what sophistica...

2: Land Invaders | Life in Cold Blood

David Attenborough reveals the bizarre adaptations which have helped amphibians break their ties with water as he meets marsupial frogs...

1: The Cold Blooded Truth | Life in Cold Blood

David Attenborough reveals the surprising truth about the cold-blooded lives of reptiles and amphibians.

After Dark | Wales: Land of the Wild

For the first time, cutting-edge camera technology reveals the secrets of Wales's nocturnal wildlife, from swimming hedgehogs to fishing...

Secrets | Wales: Land of the Wild

An epic journey following Wales's rivers from their birth in the mountains to the sea, discovering the hidden secrets of wildlife along the...

Episode 3 | Wales: Land of the Wild

It is summer and the country is basking in a heatwave. In this season of extremes, it is time for some of Wales's smaller - and more exot...

Episode 4 | Wales: Land of the Wild

It is autumn, the season of change. Wildlife is on the move, and there are battles to be fought to win mates and secure the right to bree...

9: Plants | Life

The nature series turns to plants and looks at the ingenious solutions that they employ to counter life's challenges, such as spring-loaded traps, suckers a...

S3E7: Plant Life | Brain Freeze

Knowles and McCork ask the impossible question 'How many plants are there in the world?'

A resilient forest | Life

Two species of tree weather incredibly harsh conditions and seasonal change to ensure their survival.

Cunning Cacti | Life

This cacti deploys a variety of methods to maximise its chances of successful seed dispersal.

Searching for sunlight | Life

Different species of plants adopt a variety of ingenius techniques to secure much needed sunlight.

Flower power | Life

Flowers lure pollinators to ensure that plants can reproduce.

S1E6: Music | Dara O'Briain's Science Club

Dara O Briain and his expert team examine the science behind music. James May explores how music is linked to our emotions and Mar...

S1E19: You Could Run at the Speed of Sound? | Hey You, What If?

A fun run goes wrong when one ambitious runner tries running at the speed of sound.

S1E24: Echoes | Nina and the Neurons

Emma wants to know why some places have echoes.

S1E19: Making Music | Nina and the Neurons

Joel wants to make music, so Nina helps him find household objects that he can use as instruments.

S1E4: Trumpet | Nina and the Neurons

Luke from Newcastle has had enough of his dad's trumpet practice, so Nina comes to the rescue.

Thomas Edison invents ''hello'' | Horrible Histories

Edison stumbles upon an important development in the way people answer the telephone.