1,340 articles mezi dny 1.8.2020 a 31.8.2020

'We're still so tired': Europe's doctors brace for second Covid-19 wave

When the Guardian spoke to staff in March they had no time for reflection. So what do they think of the new surge now? Coronavirus – latest updatesSee all our coronavirus coverageDuring the initial peak of Spain’s Covid-19 pandemic in the spring, the virus displayed an unexpected mercy. In its spread, ferocity and awful novelty, it left health workers too tired and overwhelmed to look beyond...

Hormones control paternal interest in offspring

Basing their research on an unexpected interspecies difference between rats and mice, researchers at Karolinska Institutet and Stockholm University have mapped a system in the brain that controls paternal behavior towards offspring. A key component in this behavior is the hormone prolactin, which prepares females for motherhood and has now been shown to control paternal behavior as well. The study...

Why are indoor settings higher risk for Covid – and are restaurants safe?

Experts say poor airflow, reduced distancing and prolonged exposure are key factors in the spread of coronavirusCoronavirus – latest updatesSee all our coronavirus coverageIn Aberdeen it was pubs, restaurants and golf courses. In Prague it was a nightclub. In California it was a church. Why does Covid-19 appear to spread more easily in some places than others?Prof Devi Sridhar, the chair of...

Software that monitors students during tests perpetuates inequality and violates their privacy

The coronavirus pandemic has been a boon for the test proctoring industry. About half a dozen companies in the US claim their software can accurately detect and prevent cheating in online tests. Examity, HonorLock, Proctorio, ProctorU, Respondus and others have rapidly grown since colleges and universities switched to remote classes. While there’s no official tally, it’s reasonable to say...

Six months into Covid pandemic, the UK's isolation programme is still a mess | Anthony Costello

The government is asking people who may have coronavirus to isolate - but it has no idea of whether they’re doing soCoronavirus – latest updatesSee all our coronavirus coverageOn 13 February, 83 British citizens left Arrowe Park hospital, Wirral, after 14 days of isolation, following their evacuation from Wuhan at the end of January. Two weeks was the appropriate quarantine response to...

Covid-19: lack of diversity threatens to undermine vaccine trials, experts warn

Oxford and Moderna trials draw from strikingly white cohort, for a virus that has disproportionately affected people of colourThe remarkably fast progress of two leading contenders for an effective coronavirus vaccine has raised hopes the pandemic may be speedily tamed. But some experts have warned the vaccine trials risk being undermined by a lack of diversity among their participants. Related:...

How falling solar costs have renewed clean hydrogen hopes

The world is increasingly banking on green hydrogen fuel to fill some of the critical missing pieces in the clean-energy puzzle. US presidential candidate Joe Biden’s climate plan calls for a research program to produce a clean form of the gas that’s cheap enough to fuel power plants within a decade. Likewise, Japan, South Korea, Australia, New Zealand, and the European Union have all...

SpaceX launches 57 stealth satellites for Starlink network, plus a pair for BlackSky

After weeks of delay, a SpaceX Falcon 9 rocket sent up 57 more satellites for its Starlink broadband internet constellation, with two BlackSky planet-watching satellites hitching a ride. The launch was originally scheduled for June, but had to be put off several times due to technical concerns, weather delays and range schedule conflicts. This time around, the countdown proceeded smoothly to...

The costs and benefits of addressing customer complaints

Researchers from Michigan State University, University of South Florida, St. John's University, and American Customer Satisfaction Index (ACSI) published a new paper that analyzes relationships between customer complaints, complaint handling by companies, and customer loyalty to understand how customer complaint management affects companies' performance and to inform companies how to manage...