Dr Ruja Ignatova persuaded millions to join her financial revolution. Then she disappeared. Why? Jamie Bartlett presents a story of greed, deceit and herd madness.

David Aaronovitch and a panel of experts and insiders present in-depth explainers on big issues in the news

The Jacaranda FM News team is based in Gauteng – but covers local and international news of the day, providing the latest developments online and on-air. News bulletins run from 5am to 7pm weekdays, and from 7am to 6pm on weekends and public holidays. Tune into Jacaranda FM, or log on to www.jacarandafm.com, for the news you need to know.. now.

The latest national and international news from BBC Radio 4

Diane Rehm’s weekly podcast features newsmakers, writers, artists and thinkers on the issues she cares about most: what’s going on in Washington, ideas that inform, and the latest on living well as we live longer.

Brilliant solutions to the world’s problems. We meet people with ideas to make the world a better place and investigate whether they work.

Your weekly rugby league podcast from BBC Radio 5 Live featuring the latest news, analysis and interviews with Tanya Arnold.

Join Larry Mantle weekdays for lively and in-depth discussions of Los Angeles and Southern California news, politics, science, entertainment, the arts and more. More AirTalk at www.kpcc.org.

Hosts Nil Köksal and Chris Howden take you on a trip around the world with CBC Radio's As It Happens. Hear from the people at the centre of the stories of the day — from the urgent to the utterly strange.

Insight, wit and analysis from BBC correspondents, journalists and writers telling stories beyond the news headlines. Presented by Kate Adie.