Former astronaut Kathy Sullivan: 'soda can' and 'plastic bag' more than 10km beneath the Pacific Ocean
Kathy Sullivan recently went to the bottom of the Mariana Trench in the Pacific.
Armando Iannucci: Is this a bad time to be funny?
Can the creator of Veep find humour amid the world's crises?
Maria Ressa: Is the press under attack in the Philippines?
We speak to Maria Ressa, the journalist just convicted of cyber-libel.
Former Creative Director at US Vogue magazine: André Leon Talley
André Leon Talley on his life at the top of fashion and the racism he's encountered
Judge Chile Eboe-Osuji: President of the International Criminal Court
Judge Chile Eboe-Osuji is President of the International Criminal Court in the Hague
Jim McGovern: Can Biden unite the left?
We speak to leftist Congressman Jim McGovern and ask if Biden can unite the Democrats
Arancha Gonzalez: Why isn't the world working together?
How much damage has the pandemic done to international collaboration?
Epidemiologist Ian Lipkin: Are we getting the pandemic response right?
A world-renowned epidemiologist analyses the international response to Covid-19
Simon Cheng: 'We need to fight for democracy in Hong Kong and China'
Simon Cheng was detained in China while working for the UK's Hong Kong consulate