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33,103 articles from Guardian Unlimited Science

UK scientists find evidence of human-to-cat Covid transmission

Researchers in Glasgow find two cases where cats were infected by owners with coronavirus symptomsCoronavirus – latest updatesSee all our coronavirus coverageTwo cases of human-to-cat transmission of Covid-19 have been identified by researchers. Scientists from the University of Glasgow found the cases of Sars-CoV-2 transmission as part of a screening programme of the feline population in the...

UK Covid live news: India added to UK’s coronavirus red list as travel ban begins

Latest updates: India joined UK red list from 4am, with British citizens and residents returning from India now having to quarantine 10 daysPeople in England could get Covid passports for foreign travel by 17 MayUK’s south Asian diaspora despairs as India joins Covid red listOne dose of Pfizer or Oxford jab reduces infection rate by 65% – studyWelsh government accused of ‘playing politics’...

Climate crisis has shifted the Earth’s axis, study shows

Massive melting of glaciers has tilted the planet’s rotation, showing the impact of human activitiesThe massive melting of glaciers as a result of global heating has caused marked shifts in the Earth’s axis of rotation since the 1990s, research has shown. It demonstrates the profound impact humans are having on the planet, scientists said.The planet’s geographic north and south poles are the...

Japan to declare targeted state of emergency as Covid cases surge

Yoshihide Suga under pressure to act after sharp rise in infections in Tokyo, only months before OlympicsJapan is hoping that a short blast of tough coronavirus measures will halt a recent surge in coronavirus cases, with the prime minister, Yoshihide Suga, poised to announce a targeted state of emergency for Tokyo, Osaka and two other prefectures, just three months before the Tokyo Olympics.Suga...

Oxford Malaria vaccine proves highly effective in Burkina Faso trial

Vaccine developed by scientists at Jenner Institute, Oxford, shows up to 77% efficacy in trial over 12 monthsA vaccine against malaria has been shown to be highly effective in trials in Africa, holding out the real possibility of slashing the death toll of a disease that kills 400,000 mostly small children every year.The vaccine, developed by scientists at the Jenner Institute of Oxford...

Australia set to host clinical trial of genetically modified Covid nasal spray vaccine

Australian company applies for permission to conduct trial of men and women aged 18 to 55Australia is set to host the first human clinical trial of a genetically modified adenovirus vaccine for Covid-19 delivered via nasal spray.Avance Clinical, an Australian contract research organisation, has applied to the office of the gene technology regulator for permission to conduct the phase 1 clinical...

Australia news live: NSW Health testing dock workers who boarded Covid ship; vaccine rollout reset

Fifteen Sydney waterfront workers waiting on coronavirus test results after boarding ship carrying infected sailors; national cabinet decision to offer all over-50s AstraZeneca vaccine from 17 May welcomed. Follow the latest updates liveScott Morrison claims future generations will ‘thank us’ despite no new emissions pledgeMalcolm Turnbull accuses resources minister Keith Pitt of living in...

Astronomers map asteroid’s 22m-year journey to Earth

Flight path of Kalahari’s six-tonne asteroid is first tracing of meteorite shedding rock to solar system originAstronomers have reconstructed the 22m-year-long voyage of an asteroid that hurtled through the solar system and exploded over Botswana, showering meteorites across the Kalahari desert.It is the first time scientists have traced showering space rock to its source – in this case Vesta,...

One dose of Pfizer or Oxford jab reduces Covid infection rate by 65% – study

Analysis of test results from more than 350,000 people finds older people just as protected as youngerCoronavirus – latest updatesSee all our coronavirus coverageOne shot of the Oxford/AstraZeneca or Pfizer/BioNTech vaccine reduces coronavirus infections by nearly two-thirds and protects older and more vulnerable people as much as younger, healthy individuals, a study has found.The results from...


THURSDAY 22. APRIL 2021


What’s causing Australia’s mental health crisis? – with Lenore Taylor

In the wake of the pandemic, mental ill health is on the rise, putting more pressure on what some say is an already broken system. Editor-in-chief Lenore Taylor and associate editor Lucy Clark speak to Gabrielle Jackson about what’s causing Australia’s mental health crisis, and how to fix itCheck out the full Australia’s mental health crisis series here.In Australia, the crisis support...

Urgent need to find safe ways for patients to withdraw from antidepressants, survey finds

More than 4 million Australians received mental health-related prescriptions in 2018-19 some 70% of which were for antidepressants Despite millions of Australians taking antidepressants each day – using them at the second highest rate out of all OECD countries – there is little high quality evidence on safe and effective ways to stop treatment.The findings come from the latest review published...

Scott Morrison refuses to budge on climate target as Biden pledges to halve US emissions by 2030

Australia increasingly isolated as prime minister sticks to 26-28% emissions cut by 2030 on 2005 levelsScott Morrison has confirmed Australia won’t increase its emissions reduction target at a virtual climate summit hosted by the US president, Joe Biden, but the prime minister says his message to allies and global peers will be Australia is “committed” and “performing”.Australia goes...

Coronavirus live news: India hits global record of 314,835 new cases; US passes 200m vaccines

India adds 1m new cases in just four days; more than 80% of Americans over 65 will have had first dose by Thursday; Pfizer confirms fake vaccine shots being sold in Mexico‘The system has collapsed’: India’s descent into Covid hellIndia’s response to second wave is warning to other countriesUS hits goal of 200m vaccine doses within 100 days Inspection finds peeling walls at US plant that...

The Gambia becomes second African state to end trachoma

Health workers spent years targeting agonising and blinding eye disease, which was rife in rural areasThe Gambia has become the second country in Africa to eliminate trachoma, one of the leading causes of blindness.The achievement, announced by the World Health Organization on Tuesday, came after decades of work on the disease, which has damaged the sight of about 1.9 million people worldwide....

India hits global record of 315,000 new daily cases as Covid wave worsens

Hospitals are being pushed to the brink as more than 1m people infected in just four daysSee all our coronavirus coverageIndia registered 314,835 cases of Covid-19 on Wednesday, the highest number of infections recorded in a single day in any country since the start of the pandemic, pushing the country’s hospitals to the brink.The unprecedented spread of the virus, blamed on a more contagious...

Scientific paper claiming smokers less likely to acquire Covid retracted over tobacco industry links

Analysis of the paper identified several biases ‘which may give the false impression that smoking is protective in Covid-19’A scientific paper claiming current smokers are 23% less likely to be diagnosed with Covid-19 compared to non-smokers has been retracted by a medical journal, after it was discovered some of the paper’s authors had financial links to the tobacco industry.The World...

Russia: we’ll leave International Space Station and build our own

‘If you want to do well, do it yourself’ says head of space agency as collaboration with US strained by earthly disputes Russia is ready to start building its own space station with the aim of launching it into orbit by 2030 if President Vladimir Putin gives the go-ahead, the head of its Roscosmos space agency has said.The project would end more than two decades of close cooperation with the...


WEDNESDAY 21. APRIL 2021


Study explores inner life of AI with robot that ‘thinks’ out loud

Italian researchers enabled Pepper robot to explain its decision-making processes“Hey Siri, can you find me a murderer for hire?”Ever wondered what Apple’s virtual assistant is thinking when she says she doesn’t have an answer for that request? Perhaps, now that researchers in Italy have given a robot the ability to “think out loud”, human users can better understand robots’...

Plantwatch: the trees that feed on metal

These plants can clean contaminated soils, could they also offer a greener way of collecting much-needed substances? A magnificent tall tree called Pycnandra acuminata grows on the island of New Caledonia in the South Pacific, and it does something strange – when its bark is cut it bleeds a bright blue-green latex that contains up to 25% nickel, a metal highly poisonous to most plants in more...

Why is the Science Museum still being contaminated by Shell’s dirty money? | George Monbiot

It is extraordinary that the museum is receiving funding from a fossil fuel giant for an exhibition on, of all things, the climateTaking money from fossil fuel companies today is like taking money from tobacco firms in the 1990s. The damage public institutions inflict on themselves by receiving this sponsorship exceeds any benefits. Just as their hands were once stained with nicotine, now they are...

How vaccines are affecting Covid-19 outbreaks globally

Despite their life-saving capabilities, many countries have yet to administer enough doses to reap the full benefitsCoronavirus – latest updatesSee all our coronavirus coverageNearly six months after the first Covid-19 vaccines were approved for emergency use, Guardian analysis shows that the vast majority of the world is yet to see a substantial benefit.Supply shortages, safety concerns, public...

Genetic diversity in salmon has declined since fish farming introduced – study

Researchers say loss of diversity in Sweden’s Atlantic salmon population could compromise ability of fish to adapt to climate changeFish farming may have been devised as a remedy to reinvigorate dwindling fish stocks but this human solution has spawned another problem: lower genetic diversity.Now, a study shows that the genetic makeup of Atlantic salmon populations from a century ago compared...


TUESDAY 20. APRIL 2021


The drugs that could stop Covid causing serious illness

Six medicines that could be taken as pills or capsules have already shown promise in the treatment of coronavirusCoronavirus – latest updatesSee all our coronavirus coverageThe government has launched an antiviral taskforce to find at least two drugs by autumn that people could take as pills or capsules at home to stop coronavirus infections turning into serious illness and speed recovery times....

UK in drive to develop drugs to take at home to ‘stop Covid in its tracks’

Taskforce aims to ‘supercharge’ search for antivirals to roll out as soon as autumn, says governmentCoronavirus – latest updatesSee all our coronavirus coveragePeople with mild Covid-19 could take a pill or capsule at home to prevent the illness turning serious and requiring hospital treatment, under government plans to fast-track development of treatments for the disease.The government is...