A week after a landslide that left hundreds of people dead, the prime minister of Papua New Guinea is facing a vote of no confidence. The outcome will be keenly watched in China, Australia and the US, which are seeking to woo the country's government and solidify their influence in the Pacific.Plus: a helicopter scandal at the MoD and the rebirth of Loaded magazine.Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Mariana Vieira, Harriet Marsden and Holden Frith.

Former president Jacob Zuma was this week banned from running as a candidate in South Africa's parliamentary elections, which take place this weekend. Despite that setback, his party could cost the ANC its majority, which it has held since the end of apartheid. Are South Africans finally falling out of love with the party of liberation?Plus: the vanishing internet, and prepping for disaster.Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Jamie Timson, Rebecca Messina and Leaf Arbuthnot.

This week the Vatican is playing host to an international conference on climate change, at which many of the world's mayors and governors will discuss how we can adapt to the challenges of global warming. Could religious leaders help to win over some people who wouldn't listen to politicians?Plus: ultra-long mortgages and Swiftonomics.Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Jessica Hullinger, Guy Anker and Cindy Yu.

Each year tens of thousands of children, some as young as 10, are married in a handful of American states, including California, which have no lower age limit for marriage. Most of these weddings involve a young girl marrying a man who is over 18. Will a new campaign bring the practice to an end? Plus: Black maternal health and the price of olive oil.Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Sorcha Bradley, Rebekah Evans and Emma Smith.

Scientists are getting closer to converting blood types for better donations. A controversial D-Day simulation raises questions about history and emotions. The discussion includes personal updates, weight-loss drugs, and celebrity endorsements.

Scientists are arguing that octopuses – and many other animals – experience consciousness. What does that mean for how humans treat them? Plus the size of the electric car market, and Morocco's controversial football kitOlly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Harriet Marsden, Jessica Hullinger and Emma Smith

What is happening in Sudan? Could London really end rough sleeping? And why has Joe Lycett been making up stories? Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Mariana Vieira, Rebekah Evans and Jamie Timson

Is the "Hardest Geezer" a high-endurance trendsetter? Will Ted Baker survive? And what's the beef with lab-grown meat? Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Harriet Marsden, Leaf Arbuthnot and Holden Frith

What's behind a row about an uninhabited rock? How did Bassirou Diomaye Faye get from a Senegalese jail to the presidency – in just two weeks? And how often should we wash? Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Julia O'Driscoll, Arion McNicoll and Suchandrika Chakrabarti

Is it time to say sorry for slavery? Can female sport stars close the pay gap? And is country music moving into the mainstream? Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days. With Rebekah Evans, Emma Smith and Jamie Timson