Dara and the team shine a light on some of the mysterious and usually hidden worlds surrounding us, from our internal ecosystems to nanotechnology and more. Show more
Dara O Briain and his team of experts explore how much our brains give away about us and discover how illusions and machines can be used to manipulate the mind. Show more
Kate Humble and Helen Czerski reveal the inner workings of the sun and investigate why scientists think changes in the sun's behaviour may have powerful effects on our climate. Show more
Dara and the team reveal why size matters in science and how discoveries large and small are changing the way we view the universe, the economy and even our bodies. Show more
Dr Helen Czerski discovers how cold has shaped our planet, and how pushing the limits of cold has unlocked new technologies, from superconductors to quantum computing. Show more
Helen Czerski explores the narrow band of temperature that has led to life on Earth and shows how all living creatures depend on temperature for its survival. Show more
Midweek
Helen Czerski; Odaline de la Martinez; Paapa Essiedu; Jim Richards.
43 minutes
First broadcast: on BBC Radio 4 FMLatest broadcast: on BBC Radio 4 LW
Available for over a year
Libby Purves is joined by physicist Helen Czerski, composer Odaline de la Martinez, actor Paapa Essiedu and geologist and gold prospector Jim Richards. Show more
Dara O Briain and his team explore how powerful, affordable technology is ushering in a new era of DIY science that everyone can get involved in. Show more
Experts and a lively audience join Dara O Briain to tackle the biggest ideas in science from lots of different and unexpected angles. The team take a look inside the brain. Show more
Dara and the team of experts look to the future as they meet a robot with a sense of touch, investigate plans to mine the moon and peruse the fashions of tomorrow. Show more
Dara O Briain and his team go on a journey through time to discover what it is and how to get more of it. Alok Jha investigates the tiny margins of winning. Show more
Series exploring topical scientific issues. To celebrate its 50th birthday, Horizon invites the public to play a role in tackling the greatest challenges facing science today. Show more
Orbit: Earth's Extraordinary Journey
Episode 1
1 hour
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Four HD
Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, travelling first from July to the December solstice and showing its effect. Show more
Super Senses: The Secret Power of Animals
Episode 1: Sight
59 minutes
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Four HD
Series exploring the hidden world of animals' senses. A look at how caribou use UV light to avoid wolves and how slow-motion vision helps dragonflies kill. Show more
Super Senses: The Secret Power of Animals
Episode 2: Sound
59 minutes
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Two Northern Ireland HD
Series exploring animal senses beyond human perception. Sound - how alligators use low-pitch rumbles, how bats see with sound, and a hearing test for a herd of elephants. Show more
Super Senses: The Secret Power of Animals
Episode 3: Scent
1 hour
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Two Wales HD
The series exploring the world of animal senses examines how smells can be used both as a defence against sharks and in controlling a swarm of bees' behaviour. Show more
Orbit: Earth's Extraordinary Journey
Episode 3
59 minutes
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Four HD
Kate Humble is in the Arctic, where spring arrives with a bang. Helen Czerski chases a tornado to show how the earth's angle of tilt creates the most extreme weather on the planet. Show more
Dr Helen Czerski examines the extraordinary messages sound waves carry and how they help us understand the world around us. Show more
Oceanographer Dr Helen Czerski and zoologist Dr George McGavin carry out an ‘autopsy’ on the North Sea to understand the startling changes taking place in the world's oceans. Show more
Colour: The Spectrum of Science
Episode 3: Beyond the Rainbow
1 hour
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
Available for years
Helen Czerski looks at the colours invisible to our eyes. To see the universe in a new light, she takes to the skies in a jet equipped with an infrared telescope. Show more