Marius the Giraffe: Zoogenics?

A Danish zoo caused outrage when it killed a giraffe. Do UK zoos do similar culls?

• 28 mins

The Mystery of Flight 370

How can a plane disappear, and why are we no nearer to solving the enigma of flight MH370?

• 28 mins

The Truth About Statins

Tom Esslemont demystifies the debate surrounding the cholesterol-lowering drugs.

• 28 mins

Maria Miller's Expenses

The MPs' expenses row has claimed another victim, five years after the initial revelations

• 28 mins

The Muslim Brotherhood in Britain

Was David Cameron right to order an investigation into the Islamist organisation?

• 28 mins

Sexual Harassment in Westminster

Simon Cox investigates allegations of abuse of power and a culture of silence.

• 28 mins

Jihadi Converts

Converts to Islam tell reporter Zubeida Malik how they were lured into extremism.

• 28 mins

Constance Briscoe

Investigating the barrister and author Constance Briscoe, jailed for lying to the police.

• 28 mins

The Unsolved Murder of Daniel Morgan

The unsolved murder of Daniel Morgan and claims of police corruption in the case.

• 28 mins

E-Cigarettes

Are e-cigarettes a health hazard or the best aid we have for smokers trying to quit?

• 28 mins

Why are People Voting UKIP?

Wesley Stephenson goes to south Essex to find out why so many residents voted UKIP.

• 28 mins

Internet Jihadi: Babar Ahmad

British jihadi Babar Ahmad's journey from Tooting to a US jail. Dominic Casciani reports.

• 28 mins

Trojan horse schools plot

Allegations of a plot to Islamise secular schools in Birmingham investigated.

• 28 mins

Diabetes: A Surgical Solution?

Could increasing access to weight loss surgery help the battle against diabetes?

• 28 mins

Litvinenko: The Miniature Nuclear Attack

The Report speaks to the wife and son of the murdered former Russian intelligence officer

• 28 mins

The Big Society

Giving power to the people was the big idea of the coalition, but what has become of it?

• 28 mins

Surrogacy

UK surrogacy is based on trust rather than contract. Catrin Nye asks if the system works.

• 28 mins

Publishing Wars

With big publishers and Amazon at war, Adam Fleming reports on turmoil in the book world.

• 28 mins

Afghan Sikhs

Melanie Abbott explores the journey Afghan Sikhs make to build a new life in the UK.

• 28 mins

Racism in Northern Ireland

Rising racism in Northern Ireland - but who is behind it? Helen Grady investigates.

• 28 mins

The Right to be Forgotten

Simon Cox looks into the effects of the 'right to be forgotten' ruling.

• 28 mins

Stirling Decides

How have voters in Stirling decided whether or not to vote for Scottish independence?

• 28 mins

Francis: The Pope's Calling

Is Francis the 'revolutionary' Pope that his admirers hope for and his critics fear?

• 28 mins

Paramedics Under Pressure

Why are paramedics quitting the ambulance service in rising numbers? With Adrian Goldberg.

• 28 mins

Tesco: Trouble at the Top

Why is Tesco under investigation by the Serious Fraud Office? Simon Cox reports.

• 28 mins

Right to Buy

Can the UK afford to continue selling off valuable social housing stock on the cheap?

• 28 mins

Virgin Galactic

Will the Virgin brand survive the damage caused by the crash of a Virgin Galactic rocket?

• 30 mins

Derby Jihadist

Suspected suicide bomber Kabir Ahmed left Derby to join IS. Simon Cox investigates why.

• 28 mins

Private schools and public benefit

Are private schools doing enough to support state schools? Simon Cox investigates.

• 28 mins

Rape: Prosecuting Accusers

Should women suspected of making false accusations of rape be prosecuted?

• 28 mins