Horizon - Season 42
20 episodes
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
S49
S50
S51
S52
S53
S54
S55
S56
S57
S58
S59
S60
S61
Episode 1
Global Dimming
Horizon producer David Sington on why predictions about the Earth's climate will need to be re-examined.
Episode 2
Einstein's Unfinished Symphony
The unpredictable results of the Theory of Relativity.
Horizon brings you the second part of a two-part series on Albert Einsten. In the summer of 1939 Albert Einstein was on holiday in a small resor
Episode 3
Einstein's Equation of Life and Death
The story of Einstein's most famous equation E=mc² – its role in the creation of the atom bomb and our understanding of the beginnings of the Universe.
Horizon brings you the second part of a two-par
Episode 4
Living with ADHD
In this documentary, Horizon investigates Attention Deficit Hyperactivity Disorder (ADHD), which is one of the most feared and misunderstood of all medical conditions. Despite over 200 scientific pape
Episode 5
Neanderthal
Horizon investigates a strange skull that was discovered in 1848 on the military outpost of Gibraltar. It was undoubtedly human, but also had some of the heavy features of an ape... distinct brow ridg
Episode 6
An Experiment to Save the World
In this documentary, Horizon follows the scientific world that was rocked by some astonishing news in March 2002 where a distinguished US government scientist claimed he had made nuclear fusion out of
Episode 7
Who's Afraid of Designer Babies?
This Horizon episode is about genetics in humans. Every parent wants their child to have the best in life. But would this extend to picking the best genes for them? To date, genetic technology has onl
Episode 8
The Lost Civilisation of Peru
Horizon brings us back two thousand years ago when a mysterious and little known civilization ruled the northern coast of Peru. Its people were called the Moche.
Episode 9
The Next Megaquake
In this documentary on earthquakes, Horizon starts with the worst natural disasters of all time in December 2004. The cause of so much devastation was the most powerful kind of earthquake on the plane
Episode 10
Does the MMR Jab Cause Autism?
In this documentary, Horizon presents the largest public health issue of recent years that has attracted such heated debate as the question of whether the MMR vaccine can cause autism. The MMR jab com
Episode 11
Malaria: Defeating the Curse
This is the story by Horizon of an epic battle between science and nature. It's a battle to destroy a disease that is one of the biggest killers on the planet: malaria.
Episode 12
Tsunami: Naming the Dead
How the biggest international forensic operation in history identified the victims of the most devastating natural disaster of recent times.
Episode 13
The Hawking Paradox
Has Stephen Hawking been wrong about the universe for the last 30 years? Horizon explores his latest theory.
Episode 14
The Mystery of the Human Hobbit
Is the hobbit a new human species or nothing more than a modern human with a crippling deformity?
Episode 15
The Doctor Who Makes People Walk Again?
At the Xishan Hospital, near Beijing, a remarkable medical pilgrimage is taking place. The sick and the dying are travelling here for a treatment pioneered by Dr Huang Hongyun. He claims he can restor
Episode 16
Can Fish Make My Child Smart?
Scientists once got sacked for suggesting oily fish was good for you. Now all and sundry are hailing it as a panacea.
Episode 17
Madagascar - A Treetop Odyssey
Time is running out for the rainforest, but a team of scientists have come up with a unique strategy to help save it: a giant inflatable raft.
Episode 18
Titan. A Place Like Home?
Over a billion kilometres away, Saturn's largest moon, Titan, holds tantalising clues to how life began here on Earth. Horizon tells the story of the Cassini-Huygens spacecraft, the most ambitious and
Episode 19
The 7/7 Bombers: A Psychological Investigation
On 7 July 2005 Britain experienced its first ever suicide attack. Four bombs exploded in central London, killing 52 people and injuring over 700. When Scotland Yard launched one of the biggest investi
Episode 20
The Ghost in Your Genes
The controversial science of epigenetics suggests you may inherit a lot more than you imagine from your forebears.
The scientists who believe your genes are shaped in part by your ancestors' life exp