CrowdScience - Why are spices delicious?

CrowdScience listener Kristine from Wisconsin in the USA wants to know why herbs and spices taste so good to so many of us. She’s intrigued to know if there's evidence that herbs and spices can keep us healthy.

Anand Jagatia visits the historic naval city of Portsmouth in the UK, where exotic spices from around the world were first brought in from the East Asia more than 600 years ago.

He’s on a journey to find out why many of us think spices are delicious. But are there also nutritional benefits to seasoning our food with them? Anand asks what science or studies are there to show that eating herbs and spices can be beneficial for our health?

Presenter: Anand Jagatia Producer: Joanna Hall Assistant Producer: Jonathan Harris Editor: Richard Collings Studio Technicians: Bob Nettles & Steve Greenwood

Contributors:

Prof. Lindell Bromham, evolutionary biologist, Australian National University Dr. Kanchan Koya, Molecular Biologist and founder of the Spice Spice Baby website Dr. Beronda L. Montgomery, plant biologist and Dean at Grinnell College, Iowa, USA Dr. Lorenzo Stafford an olfactory researcher, Department of Psychology, University of Portsmouth, UK

(Photo: A couple stand at a spice shop. Credit: Thomas Barwick / Getty Images)

Focus on Africa - Is Morocco hosting the IMF meeting only symbolic?

The Bretton wood institutions are meeting in Morocco this year. It's the first such summit on African soil in 50 years. Does this meeting signal a renewed approach to how it works with and supports African economic growth?

Also did you know, eggs are currently South Africa's hottest commodity? The country has been grappling with one of its worst outbreaks of bird flu which has resulted in the culling of millions of chickens and supermarkets, running out of eggs. We'll hear more about the impact it's having.

And there's a treat in store as we bring you all the latest from the star studded draw on AFCON 2023, from Abidjan in Ivory Coast.

Science In Action - Devastating earthquakes hit Afghanistan

Lying atop a network of fault lines, where the Indian and Eurasian tectonic plates meet, Afghanistan is prone to earthquakes. However, the Herat area has not seen an event for almost 1000 years. As such, it was the least likely area to experience the series of devastating earthquakes and aftershocks which are reported to have killed thousands this week. Afghani seismologist Zekaria Shnizai discusses the factors which led to the disaster.

After a couple of delays, NASA’s Psyche mission is due to launch this Friday. It will map Psyche, a metal-rich asteroid orbiting the Sun between Mars and Jupiter. Project leader Lindy Elkins-Tanton's excitement for the project is infectious.

And can deep learning help us predict the next pandemic? Computational Biologist Debora Marks’ new tool, Evescape, can predict the most likely mutations a virus will gain under pressure. This could be a game changer.

Presenter: Roland Pease Producer: Ella Hubber Editor: Martin Smith Production Co-ordinator: Jana Bennett-Holesworth

(Image: An Afghan man sits amid the rubble after a massive 6.3 magnitude earthquake strikes the city of Herat. Credit: Esmatullah Habibian / Getty Images)

Focus on Africa - Liberians await presidential election results

Liberians voted in elections on Tuesday, with President George Weah seeking a second term. Observers said polling was peaceful, despite some violence during the campaign. Mr Weah is the favourite to win, with former Vice-President Joseph Boakai considered his main challenger. Did the president deliver in his first term?

Are reparations the best way of rectifying the injustices of the past? After Ghana’s president Nana Akufo-Addo calls for Western countries which profited from the transatlantic slave trade to pay reparations to African countries, we hear from an opponent of the proposal.

And South Africa's latest census reveals the population rose by over 10 million, to 62 million people, in just over a decade. But how significant is this data?

Focus on Africa - Liberians await presidential election results

Liberians voted in elections on Tuesday, with President George Weah seeking a second term. Observers said polling was peaceful, despite some violence during the campaign. Mr Weah is the favourite to win, with former Vice-President Joseph Boakai considered his main challenger. Did the president deliver in his first term?

Are reparations the best way of rectifying the injustices of the past? After Ghana’s president Nana Akufo-Addo calls for Western countries which profited from the transatlantic slave trade to pay reparations to African countries, we hear from an opponent of the proposal.

And South Africa's latest census reveals the population rose by over 10 million, to 62 million people, in just over a decade. But how significant is this data?

Unexpected Elements - How bedbugs took over the world

How did bedbugs become a global concern? We examine why their unconventional reproduction methods are so successful, how bedbugs and humans even crossed paths in the first place and what public health has to do with nation building.

Also on the show, we look at why there's no human version of dog food, how conspiracy theories take hold, and the legal wranglings over an old Canadian oil pipeline.

Focus on Africa - Israel-Hamas War: Egypt’s reaction and relationship

What is Egypt's reaction to the war between Israel and Hamas? Israel has continued to heavily bomb the Gaza strip since the attack. Egypt shares a border with Gaza. We find out more about the shared border and get analysis into Egypt's relationship with both the Palestinians and Israelis.

Also thousands of tonnes of much needed food aid is stuck on the border between Benin and Niger, unable to get into Niger. We'll hear how it's adding to the country's food insecurity.

And we'll find out more about the African political prisoners sent to Australia during British colonial rule. Who exactly were they and why were they "excluded" from History?

Focus on Africa - UN: South Sudan ‘curbing democratic freedoms’

The United Nations Commission on Human Rights in South Sudan has accused the government of restricting the democratic and civil space in the country. The claim comes ahead of an exercise to draft a new constitution, ahead of the country’s first election since achieving independence in 2011.   Plus, we hear from an African migrant caught up in the ongoing fighting between Israel and Hamas.   And on World Mental Health Day, Ghanaian Afrobeats sensation KiDi opens up on coping with the demands of life as a music star.

Good Bad Billionaire - George Lucas: Box office billions

In the podcast that uncovers how the world's 2,668 billionaires made their money and asks if they are good or bad for the planet, Simon and Zing follow George Lucas' journey from cult filmmaker to master of a cinematic galaxy. Find out how he harnessed the force of Star Wars to make him one of the richest filmmakers in the world, despite directing just six movies.

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

Focus on Africa - The Arab-Israeli conflict: Africa’s reaction

There is international concern and diplomatic pressure following the attacks and retaliation between Israel and Hamas. Hundreds of people have died, in both Israel and Palestine. We get analysis into how Africa is reacting.

Also in Mauritius the courts have decriminalised same sex relations on the basis that the ban reflected colonial era values rather than indigenous ones. We'll hear from a LGBTQ+ campaigner.

And we meet the South African teenager, Mika Abrahams, who is breaking records in the world of motor racing.