A World of Their Own | Horizon

2016: 7: My Amazing Twin | Horizon

Adam Pearson presents a personal film about genetics. He and his twin brother are genetically identical and both have neurofibromatosis 1 ...

6: Should We Close Our Zoos? | Horizon

Liz Bonnin investigates how and why zoos keep animals and looks at whether they need to change to keep up with modern science.

A Case of Depression | Horizon

Programme dealing with depressive illness and methods of treatment which cover psychotherapy, drugs and more drastic treatments like E.C.T. an...

Alan Goldman and patient handover | Horizon

Dr Alan Goldman explains the handover system he has developed in the ICU, that is influenced by Formula One pit crews.

Alcohol and carbon footprint | Horizon

Different types of alcohol gets scrutinised for its carbon footprint.

Alternate day fasting | Horizon

Michael Mosley finds out about alternate fasting where you have specific food on one day and anything you like on the other.

Anti-psychotic medication | Horizon

The main treatment for schizophrenia is anti-psychotic medication which reduces symptoms of psychosis.

Are Video Games Really That Bad? | Horizon

Horizon explores the differing opinions on video games. They frequently stand accused of causing violence and addiction in young p...

Are You Good or Evil? | Horizon

Horizon meets researchers studying psychopathic killers to try to determine what makes people good or evil. One such scientist believes he ha...

Battered Baby | Horizon

An eight-week-old baby is rush ed to hospital bruised and with a broken arm. Her mother has admitted to "shaking her". Dr Danya Glaser explores the f...

Battered Baby: 2: Breaking the Chain | Horizon

Six weeks after Baby Jane is taken into hospital her parents are fighting for possession. The family show why the right decisi...

Beginning of the experiment | Horizon

The experiment begins with Aldo being isolated in a nuclear bunker away from people and outside influences.

Black hole | Horizon

An explanation of what a black hole is and the mystery surrounding their existence.

Black Schizophrenia | Horizon

A study, which claims that Afro-Caribbeans in UK are 10 times more likely to develop schizophrenia than others, is contested by other experts a...

Bob Nichol Explains Dark Matter | Horizon

A look at dark matter and dark energy ahead of the Large Hadron Collider being switched on in March 2015, having been upgraded.

Body Clock: What Makes Us Tick? | Horizon

A former commando spends ten days locked in a nuclear bunker, with no way of telling the time, to find out how best to manage our b...

Brain injuries and aggression | Horizon

An example of how brain injuries can lead to changes in personality and increased aggression.

Chimps Are People Too | Horizon

Danny Wallace presents a documentary which makes the case that chimpanzees, who share 99 per cent of our DNA, should be given the same rights...

China's Child | Horizon

The town of Changzhou is one of most successful examples of China's'one child' population policy.Prog examines way in which policy is pres to the peo...

Chris Packham: 7.7 Billion People and Counting | Horizon

Naturalist Chris Packham investigates the impact a growing human population is having on the planet, asking whether ...