TV Guide BBC World Service Saturday

Unexpected Elements looks beyond everyday narratives to discover a goldmine of scientific stories and connections from around the globe. From Afronauts, to why we argue, to a deep dive on animal lifespans: see the world in a new way with Unexpected Elements

The Today programme's Justin Webb, North America editor Sarah Smith and social media and disinformation correspondent Marianna Spring join North America correspondent Anthony 'The Zurch' Zurcher to offer insights and analysis on what's happening inside Trump's White House

Double leg amputee Hari Budha Magar talks about becoming the first para athlete to complete the Seven Summits, which involves ascending the highest summit on each of the seven continents, and two blind skiing competitors recall the first Winter Paralympics in 1976

Guyana has the world's fastest growing economy thanks to the discovery of vast amounts of offshore oil. But will the benefits of the find be shared equitably among the country's population? Jonny Dymond is joined by a panel of leading politicians who will take questions from a large public audience, in the country's capital, Georgetown

Johannes Dell travels to the port town of Lüderitz and the surrounding desert to find out about the potential impact of a proposed green hydrogen development in the area. Supporters and officials say it could tackle youth unemployment and transform the country's future, while scientists believe it will have a negative impact on the rare plants and animals in the nearby national park

Nathalie Amiel was a star of French rugby for more than 15 years, from when she started playing internationally aged 15. She was part of the French team that won the Five Nations, as well as the European Championship four times. The 2002 season was her final one, finishing her career by winning the first women's Six Nations Championship. Here Nathalie speaks to Laura Jones

Guyana has the world's fastest growing economy thanks to the discovery of vast amounts of offshore oil. But will the benefits of the find be shared equitably among the country's population? Jonny Dymond is joined by a panel of leading politicians who will take questions from a large public audience, in the country's capital, Georgetown