PLEASE NOTE: We are unable to offer transcripts for our programme interviews. Today is broadcast live and the running order is subject to change.
Law firms representing public figures say they are considering legal action against the News of the World over allegations of mobile phone hacking. And a new study has found evidence that many women may undergo treatment for breast cancer needlessly.
Police will not be re-opening investigations into allegations that News of the World journalists were involved in a huge illegal phone hacking operation. Mark Stephens, head of media law at Finers Stephen Innocent, discusses whether some of the alleged victims could be successful taking their own legal action.
Research into breast cancer suggests one in three cancers detected in mammograms could be harmless. Gilbert Welch, Professor of Medicine at Dartmouth Institute for Health Policy, discusses whether women are being over-diagnosed.
Researchers at Whipsnade Zoo in Bedfordshire have been looking into why cheetahs are the fastest land animal, able to run from 0-60mph in three seconds. Professor Alan Wilson, who leads the Structure and Motion Laboratory at the Royal Veterinary College, explains the research.
The Royal College of GPs says earlier treatment for obesity could save the lives of thousands of British Asians. Health Correspondent Adam Brimelow reports on research in India which found that Asians can develop diabetes and heart disease before they reach dangerous levels of obesity.
China has ordered mosques in its restive western city of Urumqi not to open for Friday prayers. Quentin Sommerville reports on the latest unrest after several days of ethnic violence between Uighur Muslims and Han Chinese in which at least 156 people have been killed so far.
A group of 64 maths professors and lecturers are calling for the scrapping of a proposed new A-level, called Use of Mathematics. Cambridge University maths professor Nick Shepherd-Barron explains why he disagrees with the proposed curriculum.
A new choral work on the theme of the old nursery rhyme, Oranges and Lemons, is to receive its live premier to celebrate the 150th birthday of Big Ben. Composer Benjamin Till describes how he put together the music using all 17 church bells named in the rhyme.
0746 Thought for the day with Catherine Pepinster, Editor of The Tablet.
Labour MPs have been defending British involvement in Afghanistan in a week in which the conflict has claimed the lives of seven British soldiers. The bodies of five soldiers are due to arrive at RAF Lyneham in Wiltshire. Former defence minster Lord Moonie and Sir Jeremy Greenstock, Britain's ambassador at the UN at the time of the start of the war in Afghanistan, discuss whether British troops can maintain their current level of engagement in Afghanistan.
New research suggests that up to one in three women could be undergoing unnecessary treatment for breast cancer. Professor Karsten Jorgensen, from the Nordic Cochrane Centre in Denmark which carried out the research, explains the findings. Professor Valerie Beral, Professor of Epidemiology at Oxford University, and Dr Paul Pharoah, from the department of oncology at Cambridge University, discuss the implications for the NHS screening programme.
Of the 176 British soldiers who have been killed in Afghanistan, three have been under the age of 18. Of these three, two - Private Robert Laws and Trooper Joshua Hammond - died this month. Private Ben Ford died in September 2007. Reporter Ian Pannell speaks to some of the youngest soldiers in Helmand Province. Major General Patrick Cordingley describes the pressures facing the youngest members of the armed forces.
Novelist Barbara Pym - who has been compared to authors Jane Austen and John Betjeman and was described by Philip Larkin as the most underrated novelist of the twentieth century - is being re-discovered. Arts correspondent Rebecca Jones reports on the novelist's life and work.
The Pakistani Government is encouraging people displaced by fighting in the Swat Valley to return to their homes. Reporter Zubeida Malik explains the current situation in the Swat and whether it is safe for families to return.
In 1909, Harvard University president Charles W Eliot compiled The Harvard Classics - an anthology of literature with aims to give a "liberal education" to anyone willing to work through the full 50 volumes. John Mullan, professor of English at University College, London, and Christopher Beha who read the collection and wrote his own book about the experience, discuss whether 100 years on, the "five foot shelf" has stood the test of time.
Prime Minister Gordon Brown has had talks with Colonel Gaddafi of Libya at the G8 summit. Correspondent James Landale reports from L'Aquila - where the summit is taking place - on what Mr Brown discussed with the president of the African Union.
The military equipment used by British troops in Afghanistan has been criticised following the deaths of British soldiers. David Pickup, former senior lecturer in defence studies at Sandhurst, discusses whether British soldiers are being properly equipped.