Amidst rising Covid infection levels, we're looking at one alarming threat to health services from Brazil to Egypt - a lack of medical oxygen. Hospitals have been reporting running out altogether, with some critical care patients dying as a result. Where does medical oxygen come from and what is...

Covid-19 vaccine rollouts across the world demonstrates huge global health inequalities. We hear from Astra Zeneca, one of the makers of a covid-19 vaccine. (Photo: an Israeli healthcare worker prepares a dose of the covid-19 vaccine. Credit: Getty Images.)

It’s been a week in which the US president, Donald Trump, was suspended from his social media accounts and the social network Parler was taken offline. On Business Weekly, we explore the role these companies have in society and whether they facilitate free speech and cohesion, as they claim....