Today's running order
The latest cancer treatments can be incredibly effective but can also take a toll on patients’ cardio vascular systems. A conference that starts today will look at how to address the problem and propose guidelines to help treat and prevent heart disease in cancer patients. Alexander Lyon is president of the British Cardio-Oncology Society and Susannah Stanway is consultant oncologist at the Royal Marsden.
Is it possible to smash glass purely with the power of the human voice – and if so, why? The BBC Opera Season launched last night and it will be carrying out a range of experiments to look at the science behind opera. Trevor Cox is professor of acoustic engineering at the University of Salford.
More than 140 are thought to have died after a strong earthquake struck central Mexico. Jennifer Swaddle teaches at the British International School in Mexico City.
Theresa May will deliver a warning to the big internet companies today: remove terrorist propaganda from your websites or else. Kent Walker is general counsel for Google.
Almost one in four teenage girls are depressed, researchers have found. Ellen Jones is 19 and has bipolar disorder and Natasha Devon is former children’s mental health tsar.
Could Brexit without a deal see shortages on supermarket shelves and higher prices – as some in the food industry are insisting? The BBC’s Ross Hawkins reports and Owen Paterson is Conservative former secretary of state for environment, food and rural affairs.
Dozens of perfectly preserved ancient shipwrecks have been found at the bottom of the Black Sea. Jon Adams is director of the Centre for Maritime Archaeology at the University of Southampton.
The Ministry of Defence is considering plans to award medals to drone pilots as part of a review of the way in which servicemen and women are recognised for their service. Air Marshal Greg Bagwell is former deputy commander of operations at the Royal Air Force and Colonel Richard Kemp is the former head of British forces in Afghanistan.
British overseas territories in the Caribbean are braced for Hurricane Maria, a "potentially catastrophic" category five storm. Alan Duncan is minister of state for the Americas and Laura Kuenssberg is the BBC’s political editor.
Germans go to the polls on Sunday - very few are betting against the Chancellor Angela Merkel remaining in her post after the election. The BBC’s Europe editor Katya Adler reports.
Two things have happened to the way we eat over the last 60 years - the time this programme has been on the air. The first is what we eat at home and the second is where we go out to eat. John Humphrys reports.
The prime minister in New York will today urge internet firms to go "further and faster" to stop the spread of terrorist material on the internet. Brian Lord former deputy director for Intelligence and Cyber Operations at GCHQ.
While Germany prepares to go to the polls, what explains the enduring appeal of ‘Mutti’ – the German Chancellor Angela Merkel? Thomas Matussek is former German Ambassador to the UK.
There is evidence that our immigration system is harming some of the most vulnerable people. Today’s chief correspondent Matthew Price reports.
The British Film Institute has released the BFI Filmography – a record of UK cinema credits from the very first film released in the UK in 1911 through to today. Renee Glynne is the most credited script supervisor in British cinema and Kate Dickie is the most prolific female actor in the last decade.
All subject to change.