Scientists may soon understand how the new coronavirus got its start; that could help head off future outbreaks. In the meantime, politicians are clouding the discussion. America and Europe are taking different approaches to keeping small businesses afloat, but it’s a struggle on both sides of the Atlantic. And tuning in to the global boom in community radio stations. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

The pandemic is hitting emerging markets particularly hard, and the crisis is likely to widen the gap between the strongest and the weakest among them. Physical distancing is making life even harder for people with dementia, and their carers. And a few tips on learning a new language in lockdown.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

The world’s students are falling behind and lockdown is only exacerbating prior disparities in their progress; we examine a compelling back-to-school argument. America’s Environmental Protection Agency is rolling back yet more pollution protections, but who stands to gain is unclear. And why so many urban Kenyans understate their salaries to the villagers back home.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

The state’s all-postal primaries vote could be seen as a trial run for November’s presidential election. Might voting by mail be the least-bad option? The BBC’s canny response to covid-19 has quietened its critics, but bigger problems await after the pandemic. And how a few once-feuding families are pushing Bolivian wine onto the world stage. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

The country is aiming for complete elimination of the coronavirus; so far, so good. But renewed freedom within its borders requires that virtually no one cross them. Restrictions in Europe on movement of agricultural labour could leave crops to rot in the fields. And why cologne is the hand-sanitiser of choice in Turkey.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

Some governors are co-ordinating mutual lockdown plans, others are already reopening their states. That haphazardness bodes ill in the absence of widespread testing and tracing. The pandemic is kicking an industry that was already down: newspapers’ readerships are up, but profits are through the floor. And, reflecting on the life of a saintly obstetric surgeon in Ethiopia. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

The Rohingya genocide was just one of many sectarian flashpoints in Rakhine state; now a slick separatist insurgency is getting the better of Myanmar’s army. America is floundering in its bid to win the 5G mobile-technology race; we ask what options it has. And denying locked-down Sri Lankans booze has driven them to home-brewing. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

Even before the pandemic, companies were accused of returning too much money to shareholders. As a recession looms, dividends and share buy-backs should be cut—but not everywhere. Coral bleaching on the Great Barrier Reef is more widespread than ever, and each event makes a full recovery less likely. And the animals are out to play as humans are locked away.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

Authorities have re-ignited tensions by arresting some of the democracy movement’s most prominent figures—and Beijing seems to be piling more pressure on. Shortages of protective equipment are not just about supply; we look at the global scramble for kit. And Brazil’s universally beloved “telenovelas” are on hold; how will they eventually deal with covid-19? For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

Non-essential businesses are opening; schools soon will be, too. The country’s fortunes are down to a mix of science-minded leadership, functional federalism and a bit of luck. Saudi Arabia has halted its brutal air campaign in Yemen, ostensibly for humanitarian reasons; there is more to it than that. And a look at the wave of female avengers in drama. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer