Decades

Zimbabwe’s collapse is epitomised by the woeful state of its health system, with hospitals beset by medicine shortages and recurrent strikes by nurses and doctors over pay and working conditions.Funding cutbacks have left schools without essential teaching materials and demotivated staff, some of whom skip classes to work second jobs to try and make ends…

By Adam Vaughan Floods in Grimma, Germany, on 3 June 2013JENS WOLF/DPA/AFP via Getty Images The years 1990-2016 rank among the worst periods of flooding in Europe in five centuries, according to an assessment of historical letters, annals and legal records. The period has seen intense floods such as those in England in 2009 and 2002’s…

“Yet another terrible disease is about to yield to patience, persistence and outright genius,” Heckler said.Those decades of research into HIV have taught scientists an enormous amount about the immune system, honed vaccine technologies now being repurposed against the coronavirus and created a worldwide infrastructure of clinical trial networks that can be pivoted from HIV…