Factual: - Available now
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Animal Babies: First Year on Earth
Three wildlife camera operators follow six baby animals over their first year on Earth.
成人快手 Two
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D for Diagnosis
Claudia Hammond explores the history of classification for diagnoses of the mind.
成人快手 Radio 4
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8 Days: To the Moon and Back
The story of Apollo 11, told in the voices of the first men to step foot on the moon.
成人快手 Two
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The Moon and Us
A special documentary celebrating the anniversary of the moon landing.
成人快手 Radio Wales
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The Planets
Brian Cox explores the lives of the eight majestic planets that make up our solar system.
成人快手 Two
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13 Minutes to the Moon
Epic space stories, Apollo 11 and Apollo 13. Coming soon: Season 3, the space shuttle
成人快手 World Service
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Climate Change - The Facts
David Attenborough explores the science of, and potential solutions to, climate change.
成人快手 One
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Earth from Space
Cameras in space tell stories of life on our planet from a brand new perspective.
成人快手 One
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Cymru Wyllt
Wedi'i ffilmio dros ddeuddeg mis, dyma gofnod o dirluniau gwyllt a thrawiadol y wlad, o...
S4C
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A Sense of Time
Does a second feel the same for a fly, a bird, or a swordfish, as it does for me?
成人快手 Radio 4
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A Job for the Boys
What are the hidden consequences of having so few women in the tech industry?
成人快手 Radio 4
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The Age of Denial
Isabel Hardman investigates our capacity to deny what's in front of us.
成人快手 Radio 4
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The Placebo Paradox
How could the latest science of placebo change the way we think about medicine?
成人快手 Radio 4
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The TED Interview
Chris Anderson talks to some of the most interesting TED stage speakers.
成人快手 Radio 4 Extra
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New Year Solutions
Jo Fidgen looks at the ways ordinary people can help tackle the threat of global warming
成人快手 Radio 4
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Cities: Nature's New Wild
Discover the animals adapting to life in the newest habitat on earth - cities.
成人快手 Two
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Chris and Michaela: Under the Christmas Sky
Chris and Michaela unearth some of nature's greatest celestial wonders and winter wildlife
成人快手 Two
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Trust Me, I鈥檓 a Scientist
Richard Dawkins on a worrying disconnect between scientists and society.
成人快手 Radio 4
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Ghosts in the Machine
Exploring the people who hear spooks in random sound - and the world of auditory illusion.
成人快手 Radio 4
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The Supercalculators
Alex Bellos meets the supercalculators taking part in the Mental Calculation World Cup.
成人快手 Radio 4
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Summer in the City
How can we adapt and prepare our cities for extreme weather conditions?
成人快手 Radio 4
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Biohacking
Prof Jonathan Ball explores new genetic technologies and how they might change society.
成人快手 Radio 4
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The Genius of Accidents
Adam Hart reveals how some of science's greatest discoveries were created by mistake.
成人快手 Radio 4
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Deadly Dinosaurs with Steve Backshall
Steve learns about the most deadly animals to have walked the earth - dinosaurs.
C成人快手
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The Sisters of the Sacred Salamander
Why are Mexican nuns breeding a rare salamander? Could they save this remarkable species?
成人快手 Radio 4
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Out of this World: The Colin Pillinger story
Story of the inspirational leader behind the Beagle 2 mission to Mars - Colin Pillinger.
成人快手 Radio Bristol
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Sounds of Wales
Hugh Huddy travels the length and breadth of Wales, discovering the nation through sound.
成人快手 Radio Wales
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Attenborough and the Sea Dragon
David Attenborough attempts to animate the life of a 200-million-year-old ichthyosaur.
成人快手 One
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Winter's Weirdest Events
Chris Packham embarks on a fascinating journey to explain some of winter's weirdest events
成人快手 Two
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Mysteries of Sleep
Series in which neurologist Dr Guy Leschziner explores various sleep disorders.
成人快手 Radio 4
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Blue Planet II
Documentary series, presented by David Attenborough, exploring the planet's oceans.
成人快手 One
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Give Me Space Below My Feet
Is it possible to take 93-year-old mountaineer Gwen Moffat climbing again?
成人快手 Radio 3
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Grand Tours of Scotland's Lochs
Paul Murton explores Scotland's lochs, discovering the secrets of these iconic features
成人快手 Scotland
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From Agony to Analgesia
Irene Tracey, professor of neuroimaging at Oxford University, explores pain.
成人快手 Radio 4
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Aleks in Wonderland: The Story of the Internet
Aleks Krotoski unravels the complexity of the internet.
成人快手 Radio 4
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Dawn Chorus
Pop star Will Young joins Brett Westwood as Radio 4 stays up in search of the Dawn Chorus.
成人快手 Radio 4
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In Their Element
Scientists tell stories of the elements, explaining how chemistry made the modern world.
成人快手 Radio 4
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Trefi Gwyllt Iolo
Iolo Williams sy'n ein cyflwyno i fywyd gwyllt yn nhrefi Cymru. Iolo Williams introduce...
S4C