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13 articles from Guardian Unlimited Science

President of Brazil says it ‘makes no sense’ for him to be vaccinated

Jair Bolsonaro’s comments called ‘stupid and selfish’ in country where 600,000 people have died of CovidCoronavirus – latest updatesSee all our coronavirus coverageMore than 600,000 of his citizens have lost their lives to a Covid-19 outbreak he once pooh-poohed as a “little flu”, but Brazil’s science-denying president, Jair Bolsonaro, has announced he will decline to be vaccinated,...

'Most profound experience': William Shatner starstruck by encounter with space – video

Actor William Shatner soared aboard a Blue Origin rocketship on a suborbital trip on Wednesday to become, at the age 90, the oldest person ever in space - an experience he called profound - as US billionaire businessman Jeff Bezos's company carried out its second tourist flightWilliam Shatner completes flight on Bezos rocket to become oldest person in space Continue...

Ultrasound trial offers hope for brain cancer patients

New technique temporarily allows drugs to cross blood brain barrier to treat tumoursA technique has been developed that could revolutionise the treatment of brain cancers and neurodegenerative diseases by temporarily allowing drugs and other substances to cross the blood brain barrier – a structure that separates the brain’s blood vessels from the rest of its tissues.A trial in four women...

What will happen after the sun dies? ‘Serendipitous’ discovery gives clues

A distant gas giant found orbiting a white dwarf star suggests outer planets in our solar system might survive the sun’s demiseGet our free news app; get our morning email briefingA Jupiter-sized planet has been found orbiting a white dwarf star in the Milky Way, providing clues as to what will happen in our solar system when the sun eventually dies.An international team of astronomers observed...

Scientists abused and threatened for discussing Covid, global survey finds

Poll of 321 scientists found 15% received death threats after speaking publicly on the pandemicHow my ivermectin research led to Twitter death threatsCoronavirus – latest updatesSee all our coronavirus coverageScientists around the world have received threats of death and sexual assault after speaking to the media about Covid-19, a survey has revealed.Of 321 scientists asked by Nature magazine,...

How my ivermectin research led to Twitter death threats | Dr Andrew Hill

I was sent images of coffins and hanged Nazi war criminals after finding medical fraud in clinical trialsThe story of online threats and abuse is very dark. In early 2021, my research team was analysing a new drug called ivermectin. In the first clinical trials, this drug seemed to prevent new infections and improve survival. When I first wrote about this, I started getting regular threats on...

William Shatner ready for 'life-changing' space flight at 90 – video

William Shatner, who played Captain Kirk in Star Trek, is to become the oldest person to venture into space. 'I shall be entranced by the view of space. I want to look at that orb and appreciate its beauty ... its tenacity is sustaining this life of ours,' Shatner, 90, said in a video released by the aerospace company Blue OriginWilliam Shatner to blast off on Bezos rocket to become oldest...

Bezos’ Blue Origin is at odds with everything Star Trek represents | Akin Olla

The entire premise of Star Trek was utopian: it pushed the limits of diversity, progressivism and inclusion on television and the science fiction genreThe 90-year-old actor William Shatner, best known for his leading role as Captain James Tiberius Kirk of Star Trek: The Original Series, is headed to space, for real this time. Shatner will be launched off this Wednesday by on-again-off-again...

Homegrown Covid vaccines fill gap as UN Covax scheme misses target

India, Egypt and Cuba among first states to develop and make their own vaccines as Covax falls behind Developing countries are increasingly turning to homegrown Covid vaccinations as the UN-backed Covax programme falls behind.While western countries roll out booster jabs to their own populations, Covax, which was set up by UN agencies, governments and donors to ensure fair access to Covid-19...

Rocket men: how billionaires are using celebrities as PR for their space projects

Critics see the ‘awful business’ of private space tourism as having little technological or exploration valueAs Star Trek’s iconic Captain James T Kirk, he voyaged the universe for the good of humanity. The nonagenarian actor William Shatner’s brief, real-life thrill ride off the planet today, however, is much less about advancing the species as promoting the fortunes of Blue Origin, the...

William Shatner to blast off on Bezos rocket to become oldest person in space

Famed Star Trek actor, 90, set for real-life leap into the starsAmazon owner Bezos bids to dominate space tourism industryWilliam Shatner, the veteran actor who spent four decades playing the fearless commander of Star Trek’s USS Enterprise, is set for a real-life leap into the stars early on Wednesday on the next stage of billionaire Jeff Bezos’s quest to dominate the fledgling space tourism...

Drug trial offers new hope for those with metastatic breast cancer

Scientists are studying whether talazoparib could help treat those with incurable breast cancer Scientists have launched a new trial that could offer hope to those with incurable breast cancer.They are studying whether an existing drug, talazoparib, also known by the brandname Talzenna, may offer a new treatment to people with incurable breast cancer that has spread to the brain. Continue...

‘Australia, we’re going to the moon’: new ad touts deal with Nasa – video

The Australian Space Agency has launched an ad promoting a new deal with Nasa to send an Australian-built rover to the moon. Australia will be involved in supporting a mission to collect lunar soil and examine how its oxygen could support human life in space► Subscribe to Guardian Australia on YouTubeAustralia to build 20kg rover to head to moon in joint mission with Nasa Continue...