Retraction made after Guardian investigation found inconsistencies in dataHow doubt snowballed over Covid-19 drug researchCoronavirus – latest updatesSee all our coronavirus coverageThe Lancet paper that halted global trials of hydroxychloroquine for Covid-19 because of fears of increased deaths has been retracted after a Guardian investigation found inconsistencies in the data.The lead author,...

As UK announces compulsory face coverings on public transport, what is scientific evidence behind measure?Coronavirus – latest updatesSee all our coronavirus coverage Related: Face coverings to be made compulsory on public transport in England Continue...

As countries that implemented travel bans early on in the coronavirus pandemic begin to open up, the UK is only just getting startedCoronavirus – latest updatesSee all our coronavirus coverageWhen the next pandemic hits – and it’s a question of when, not if – it will be vital that we did all we could at this moment to learn the lessons taught to us by coronavirus. One key lesson has...

Yes, more people of black, Latin and south Asian origin are dying, but there is no genetic ‘susceptibility’ behind itFrom the start of the coronavirus pandemic, there has been an attempt to use science to explain the disproportionate impact of Covid-19 on different groups through the prism of race. Data from the UK and the US suggests that people categorised as black, Hispanic...

This week’s Global Vaccine Summit comes at a crucial point in history. Governments must not miss their chance to save livesCoronavirus – latest updatesSee all our coronavirus coverageGro Harlem Brundtland is former director-general of the World Health OrganizationElizabeth Cousens is president of the UN FoundationGoogle any list of the most successful public health interventions of this...

News updates: latest updates on the UK coronavirus situation and responseThousands of primary schools in England snub call to restart classesFollow our latest global coronavirus blogCoronavirus latest: at a glanceCoronavirus – latest global updatesSee all our coronavirus coverage 8.33am BST Related: Coronavirus UK map: the latest deaths and confirmed cases near you 8.19am BST Lisa McNally,...

Questions raised over study claiming drug linked to higher rate of mortality and heart problems in Covid-19 patientsSign up for Guardian Australia’s coronavirus emailDownload the free Guardian app to get the most important news notificationsCoronavirus Australia maps and cases: live numbers and statisticsThe World Health Organization will resume clinical trials of an anti-malaria drug...

Creatures’ attempts are in vain, and as they are unable to burrow through the fish’s ribcage, the eels become trapped in the gut of their captorIt’s no secret that nature can be brutal and violent, but a new Queensland Museum report on the death of some snake eels reads more like the plot of a horror movie than a scientific paper.Snake eels are a family of eel species that live most of their...

Rather than pitting old people against the young, now is the time to unite against a system that only benefits those who are wealthyCoronavirus – latest updatesSee all our coronavirus coverageDuring the first weeks of the coronavirus lockdown in the United States and Britain, a flurry of media commentary centred around issues of generational difference in response to the pandemic. “Boomer”...

Langstone, Hampshire: This industrious little insect collects mud to partition off cells in the garden box I put up for herA few weeks ago, my neighbours had cavity wall insulation installed and the resulting drill holes in their gable-end wall were soon being prospected by red mason bees (Osmia bicornis).People often assume that the common name of these gingery, spring-flying solitary bees refers...