Author: BBC World Service

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Focus on Africa - Why are changes to Somalia’s constitution causing concern?

Somalia's parliament has approved several constitutional changes which the government says are necessary to establish a stable political system. So what are the changes and why is it causing concern?

Also why was Stanis Bujakera, a well known journalist in the Democratic Republic of Congo detained? And what's it like being a journalist in the DRC?

And a conversation with wheelchair user, Adebola Daniel in Nigeria, on the discrimination he faced at the KFC at Lagos airport.

Presenter: Audrey Brown Producers: Yvette Twagiramariya, Stefania Okereke and Bella Hassan Technical Producer: Danny Cox Senior Producer: Karnie Sharp Editors: Andre Lombard and Alice Muthengi

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World Book Club - Charlotte Wood: The Weekend

Award-winning Australian novelist Charlotte Wood joins Harriett Gilbert to answer questions from readers around the world about her novel, The Weekend.

It's a story of grief and friendship; three women meet to clear their deceased friend’s beach house and find themselves uncovering secrets and stirring up memories.

(Image: Charlotte Wood. Photo credit: Carly Earl.)

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CrowdScience - Could climate change lead to more volcanic eruptions?

We spend a lot of our time thinking about climate change, but listener Paul has a question that isn’t usually part of the conversation. He wants to know whether a hotter atmosphere will affect how often volcanoes erupt, or make them more explosive when they do.

CrowdScience travels to New Zealand to search for answers, exploring volcanic craters and discovering traditional Maori knowledge about volcanoes.

Contributors: Geoff Kilgour, Volcanologist, Geological and Nuclear Sciences Taupo, New Zealand Heather Handley, Volcanologist, University of Twente, The Netherlands Pouroto Ngaropo, Historian and Matauranga Māori expert, Rotorua, New Zealand

Presenter: Caroline Steel Producer: Emily Bird Editor: Cathy Edwards Production Co-Ordinator: Connor Morgans Sound Engineer: Steve Greenwood

(Photo: Icelandic volcano. Credit: KRISTINN MAGNUSSON/Getty Images)

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Focus on Africa - Why has Togo changed its constitution?

Togo's parliament has voted for a new constitution which resulted in people taking to the streets in protest. The changes mean, parliament now has the power to elect the President for a single six-year term. It all sounds good in theory, so why are critics concerned?

Also why does the United States and the United Nations refer to Guinea Bissau as a 'narco-state'?

And the cost of cobalt mining in the DR Congo.

Presenter: Audrey Brown Producers: Yvette Twagiramariya, Sunita Nahar, Victor Sylver and Rob Wilson Technical Producer: Jonathan Greer Senior Producer: Karnie Sharp Editors: Andre Lombard and Alice Muthengi

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Science In Action - Star for a day

3000 light years from Earth, a white dwarf star called T Coronae Borealis is on the brink of a “once-in-a-lifetime” explosion. Astrophysicist Bradley Schaefer is enthusiastic about the bright star set to appear in the night sky in the coming months.

Professor Irving Weissman has been researching ways to restore youth using mouse models for decades. He has sewn old and young mice together to join their circulatory systems and has found that giving old mice blood from younger mice reverses some signs of ageing. In his group’s paper, the use of an antibody-based therapy has been shown to restore a declining immune system in ageing mice. Not quite the fountain of youth but potentially a key step in halting many age-related diseases. Roland gets the details from Irving and first-author Dr Jason Ross.

And, in the small town of Cabrières in Southern France, producer Ella Hubber goes on the hunt for some 480-million-year-old fossils with part-time fossil prospectors Eric and Sylvie Monceret. Their latest excavation site is a gold mine of rare, soft-bodied fossils from the period during a time when this part of France was underwater. And at the South Pole.

Presenter: Roland Pease Producer: Ella Hubber

(Photo: Illustration of the northern springtime constellations of Lyra, Hercules, Corona Borealis, and Bootes. Credit: Alan Dyer/Stocktrek Images)

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Focus on Africa - The Gambia: Personal testimonies on female genital mutilation

Gambia's parliament is considering a bill, to reverse a ban on Female Genital Mutilation. If passed, Gambia will be the first country in the world to do this. Some Gambians say the ban violates their rights to practice their culture, others disagree. We'll hear from two women who share different views.

Also the airspace dispute between Somalia and Somaliland continues. What's behind it?

And a conference in Liberia encouraging young people to talk about issues that affect them.

Presenter: Audrey Brown Producers: Yvette Twagiramariya, Sunita Nahar, Stefania Okereke and Paul Bakibinga Editors: Andre Lombard and Alice Muthengi

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Unexpected Elements - G.O.A.T

Can you put a price on the perfect athlete? In baseball you can, and that’s a $700 million dollar contract. Shoehi Ohtani took to the field in Seoul for the LA Dodgers to prove that the big cheque was worth it.

It has Marnie asking – can you predict if one of your kids will become the G.O.A.T – the Greatest of All Time in any sport? She’ll also be investigating the other kind of goat – I'd say ordinary, but these ones are fighting wildfires.

We bring you the curious tale of a never-before-seen beach pebble washing up on the shores of a remote island. What are they? And get the lowdown on the most unpleasant sounding ultramarathons after a 40-year-old Scottish woman completes a race SO hard that only 20 people have finished .

Plus, gravitational waves, home-grown antivenom, and listening on double speed. Can your brain take it?

Presented by Marnie Chesterton, Phillys Mwatee and Camilla Mota.

Produced by Harrison Lewis with Tom Bonnett, Jack Lee and Cath Mcghee.

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Focus on Africa - What’s the issue between Binance and the Nigerian government?

Cryptocurrency platorms are very popular in Nigeria, so why have Nigerian authoraties clamped down on cryptocurrency firms? And what's going on between the firm Binance and the Nigerian government?

Also Mauritians once enjoyed a healthy economy but the Mauritian rupee has taken a hit. Why is that and what's been the impact?

And how the London based play 'For Black Boys Who Have Considered Suicide When The Hue Gets Too Heavy' is opening up conversations considered taboo, within black communities.

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Focus on Africa - Senegal’s next President: Bassirou Diomaye Faye

Senegal has a new president-elect, 44 year old Bassirou Diomaye Faye. He is currently Africa's youngest democratically elected leader. Who is he and what are his plans for Senegal?

Paying a ransom in Nigeria is illegal but out of sheer desperation, many family members still give money to hostage takers. A ransom negotiator tells us how it's done.

And why some African countries, like Sudan and Kenya are experiencing a heatwave.

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Good Bad Billionaire - Mark Zuckerberg: Move fast and get rich

How one social media site birthed an empire. The story of Mark Zuckerberg and Facebook.

BBC business editor Simon Jack and journalist Zing Tsjeng take us from Zuckerberg's childhood to joining the billionaires' club at just 23, then on to his current status as one of the four richest people on the planet. He dropped out of Harvard to mix with other founders in Silicon Valley, and still retains absolute control over his company, now called Meta.

From buying up Instagram and WhatsApp to getting investments from Peter Thiel and Bill Gates, Simon and Zing trace Zuckerberg's spectacular rise. Plus discover what was true and what was made up in David Fincher's film about him, The Social Network.

We’d love to hear your feedback. Email goodbadbillionaire@bbc.com or drop us a text or WhatsApp to +1 (917) 686-1176.

To find out more about the show and read our privacy notice, visit www.bbcworldservice.com/goodbadbillionaire