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30,604 articles from Guardian Unlimited Science

We have no idea if the Russian Covid vaccine is safe or effective | Gideon Meyerowitz-Katz

The only discernible difference between Russia’s vaccine and others is that this one has skipped most of the testing phases • Russia’s coronavirus vaccine: will it work, and is it safe?Throughout the Covid-19 pandemic, there’s been one hope that we’ve all relied on. We’re all waiting, with baited breath, for the day that scientists announce a successful coronavirus vaccine, because...

'Could I feel what they were doing? Yes': Rob Delaney on the pain and pleasure of his vasectomy

The actor and comedian decided it was time to have the procedure after he and his wife had had four children. Here he writes candidly about the experience, and why it was the kindest cutI got a vasectomy a few months ago. A vasectomy is when they cut and tie off the vas deferens, which are these little tubes in your ball sack (scrotum) so that there’s no sperm (sperm) in your jizz (semen) when...

Global report: New Zealand begins mass testing as Australia records deadliest day

New Zealand to conduct ‘tens of thousands’ of tests; 21 deaths recorded in Australian state of Victoria; US health secretary sceptical of Russia vaccineCoronavirus – latest updatesSee all our coronavirus coverageAustralia suffered its deadliest day of the pandemic so far, with 21 deaths in the state of Victoria, as authorities in New Zealand’s largest city prepared to conduct “tens of...

Coronavirus live news: Lebanon sees record cases after blast; New Zealand's biggest city heads into lockdown

WHO warns displacement of people in Beirut risks accelerating Covid-19 spread; four new cases in Auckland, New Zealand; Australia suffers deadliest day. Follow the latest updatesRussia approves vaccine despite testing concernsFrench and Dutch on alert over rise in casesLost on the frontline: the 900 US health workers who have diedSee all our coronavirus coverage 3.59am BST Nibarchana Oli has tried...


TUESDAY 11. AUGUST 2020


The Guardian view on artificial intelligence's revolution: learning but not as we know it | Editorial

GPT-3, the software behind the world’s best non-human writer, is a giant step forward for machines. What about humanity? Bosses don’t often play down their products. Sam Altman, the CEO of artificial intelligence company OpenAI, did just that when people went gaga over his company’s latest software: the Generative Pretrained Transformer 3 (GPT-3). For some, GPT-3 represented a moment in...

Powerhouses: nanotechnology turns bricks into batteries

Research could pave way for cheap supercapacitor storage of renewable energyThe humble house brick has been turned into a battery that can store electricity, raising the possibility that buildings could one day become literal powerhouses.The new technology exploits the porous nature of fired red bricks by filling the pores with tiny nanofibres of a conducting plastic that can store charge. The...

Coronavirus: health secretary Alex Azar expects US vaccine by December

Azar plays down significance of Russian vaccine progressHealth secretary predicts ‘tens of millions of doses’ by year’s endThe US health secretary, Alex Azar, said on Tuesday morning that America hopes to have a coronavirus vaccine approved by December and tamped down Russia’s celebrations over unveiling its own vaccine after rapid development.“The point is not to be first,” Azar said....

'As the tundra burns, we cannot afford climate silence': a letter from the Arctic | Victoria Herrmann

I study the Arctic. The decision to withdraw from the Paris climate accord is reprehensible – but we can’t give up hopeWhen you stand facing an exposed edge of permafrost, you can feel it from a distance.It emanates a cold that tugs on every one of your senses. Permanently bound by ice year after year, the frozen soil is packed with carcasses of woolly mammoths and ancient ferns. They’re...

Covid-19: tracking the spread of a virus in real time – podcast

Central to infectious disease control is tracking the spread of a pathogen through the population. In Cambridge, UK, researchers are looking at genetic mutations in samples from Covid-19 patients to rapidly investigate how and where hospital transmissions are occurring. Dr Estée Török tells Nicola Davis what this real-time pathological detective work can reveal about the origins of an outbreak...