Under the North Pole

In 2000, as the internet expanded, websites faced a growing challenge to stop spam bots from flooding their systems.To separate humans from machines, researchers at the United States’ Carnegie Mellon University in Pittsburgh, Pennsylvania, created the Completely Automated Public ... Show More

In 1998, at a conference organised by the United Nations, a blueprint was devised for what would be the world's first permanent International Criminal Court.Judge Phillipe Kirsch chaired the Rome conference that led to the formation of the court. He tells Gill Kearsley about the ... Show More

In 1859, Swiss businessman Henry Dunant witnessed the Battle of Solferino, in Italy. He couldn’t believe the lack of aid for the wounded soldiers and came up with two ideas – a voluntary aid organisation and an international treaty to protect those injured in wartime. They went o ... Show More

As the Soviet Union reeled from the shock of the German invasion in 1941 it asked for aid from Britain and its allies and the arctic convoys was a key part of the response. Desperate to keep the Soviets in the war and fighting the Nazi war machine Winston Churchill agreed to deli ... Show More

Eric Thompson has had his finger literally on the nuclear button. He joined the Royal Navy submarine service in the early days of the Cold War. He served on WW2 era ships and submarines before ending his career as a senior officer on Britain's state of the art nuclear submarines. ... Show More

Eyewitness accounts of the Allied landings on the coast of Normandy during World War Two on 6 June 1944. The massive operation was a crucial step in the liberation of western Europe from years of Nazi rule and the defeat of Hitler's Germany. In this episode, we present the accoun ... Show More

Just two days before D-Day, Captain Gallery's US antisubmarine Task Group 22.3 managed to force the German U-boat U-505 to the surface. In a bold move, a boarding party secured the submarine before it could be scuttled, capturing an Enigma machine and the current Kriegsmarine cod ... Show More

Melvyn Bragg and guests discuss the voyage of HMS Challenger which set out from Portsmouth in 1872 with a mission a to explore the ocean depths around the world and search for new life. The scale of the enterprise was breath taking and, for its ambition, it has since been compare ... Show More

Melvyn Bragg and guests discuss the voyage of HMS Challenger which set out from Portsmouth in 1872 with a mission a to explore the ocean depths around the world and search for new life. The scale of the enterprise was breath taking and, for its ambition, it has since been compare ... Show More

Churchill's Iron Curtain speech about the Cold War, the Sharpeville massacre in South Africa which radicalised many anti-apartheid movements and we hear from a man whose relatives were killed when police bombed the home of African-American radicals in the US. Plus how Nauru becam ... Show More

This week Patrick and Saul discuss the big news developments of the past week, Ukraine has taken out two Russian warships at the headquarters of the Black Sea Fleet in Sebastopol using cruise missiles. Also in the news, Vladimir Putin met North Korean dictator Kim Jong Un in the ... Show More

This week marks 80 years since the D-Day landings, a key turning point of World War II.  Sky News has spoken to some of the few remaining veterans who were involved in the Normandy landings about their memories of that day.     Host Niall Paterson explores the stories of radio op ... Show More