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33,097 articles from Guardian Unlimited Science

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...

Middle-aged people who sleep six hours or less at greater risk of dementia, study finds

UCL data of 10,000 volunteers shows cases 30% higher among those who slept poorly in their 50s, 60s and 70s People who regularly sleep for six hours or less each night in middle age are more likely to develop dementia than those who routinely manage seven hours, according to a major study into the disease.Researchers found a 30% greater risk of dementia in those who during their 50s, 60s and 70s...

Possible link between Johnson & Johnson vaccine and rare blood clots, says regulator

Watchdog says benefits outweigh risks but that warning should be added to product informationCoronavirus – latest updatesSee all our coronavirus coverageEurope’s medicines regulator has found a possible link between Johnson & Johnson’s coronavirus vaccine and very rare cases of unusual clotting disorders that prompted authorities in Europe and the US to pause the shot’s rollout last...

Richard Dawkins loses ‘humanist of the year’ title over trans comments

American Humanist Association criticises academic for comments about identity using ‘the guise of scientific discourse’, and withdraws its 1996 honourThe American Humanist Association has withdrawn its humanist of the year award from Richard Dawkins, 25 years after he received the honour, criticising the academic and author for “demean[ing] marginalised groups” using “the guise of...

UK Covid live: ministers created confusion by muddling lockdown guidance with law, police watchdog says

Latest updates: HMIC report also highlights ‘frequent frustration’ of police forces over lack of notice about changes to Covid rules 10.35am BST Next month marks the 100th anniversary of Northern Ireland as a political unit. It was set up as a result of the 1920 Government of Ireland Act, which was also intended to deliver home rule for southern Ireland. As Ivan Gibbons explains in a good new...

Green stimulus plan could create 1.2m UK jobs in two years, research finds

Every job lost to Covid pandemic could be replaced in upcoming recovery years, Green New Deal UK findsA stimulus programme focused on green and digital infrastructure, research and development, energy and care work could create more than 1.2m jobs within two years and more than 2.7m jobs during the next decade, according to research.Such a strategy alongside additional government investment could...

Why is it so bad being a night owl? – podcast

Do you like to get up and go as the sun rises, or do you prefer the quiet hush of the late evening? Many of us tend to see ourselves as being ‘morning larks’ or ‘night owls’, naturally falling into an early or late sleep schedule. These are known as our ‘chronotypes’. Studies have shown that those with later chronotypes are at risk of a range of negative health outcomes, from an...

How UK scientists are tracking down new Covid variants - podcast

Since the pandemic began, a crack team of scientists have been working to track Covid variants as they appear, to try to stop them from spreading. The Guardian’s health editor, Sarah Boseley, has been speaking to some of themAt the end of last year, a crack team of British scientists discovered a new coronavirus variant that would spread across the world. The Guardian’s health editor, Sarah...

Tyrannosaurs may have hunted in packs like wolves, new research has found

Paleontologists say a mass grave in Utah shows the dinosaurs may not have always been solitary predators as previously thoughtTyrannosaur dinosaurs may not have been solitary predators as long envisioned but more like social carnivores such as wolves, new research announced on Monday has found.Paleontologists developed the theory while studying a mass tyrannosaur death site found seven years ago...


MONDAY 19. APRIL 2021


Nasa helicopter makes historic flight on Mars – video

Nasa’s Ingenuity Mars helicopter has completed the first powered, controlled flight on another planet, the space agency has announced.The small helicopter successfully took flight on the red planet on Monday morning, hovering in the air at about 3 metres (10ft), before descending and touching back down on the Martian surfaceNasa’s Mars helicopter makes first powered, controlled flight on...

Nasa’s Mars helicopter in first powered, controlled flight on another planet

Ingenuity successfully takes flight, hovering at height of about 3 metres before touching back downNasa’s Ingenuity Mars helicopter has completed the first powered, controlled flight on another planet, the space agency has announced.The small helicopter successfully took flight on the red planet on Monday morning, hovering in the air at an altitude of about 3 metres (10 feet), before descending...