24,000-year-old organisms found frozen in Siberia can still reproduce

Russian scientists find bdelloid rotifers deep in remote permafrost

A microscopic worm-like creature, labelled an “evolutionary scandal” by biologists for having thrived for millions of years without having sex, has now been shown to persist for at least 24,000 years in Siberian permafrost and then reproduce, researchers have found.

Multicellular invertebrates that are solely female, bdelloid rotifers are already renowned for their resistance to radiation and ability to withstand rather inhospitable environments: drying, starvation and low oxygen. They’ve also existed for at least 35m years – and can be found today in freshwater lakes, ponds, streams and moist terrestrial habitats such as moss, lichen, tree bark and soil.

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FDA approves first new Alzheimer’s drug in almost 20 years

Usefulness of aducanumab is disputed but US approval will trigger push to make it available globally

A controversial new drug for Alzheimer’s disease, the first in nearly 20 years, was approved in the US on Monday, which will trigger pressure to make it available worldwide in spite of mixed evidence over its efficacy.

While doctors, patients and the organisations that support them are desperate for treatments that can slow mental deterioration, the usefulness of the new drug, aducanumab, is disputed by scientists. Two trials were stopped in March 2019 because the drugs appeared not to work. The manufacturer, Biogen, said the drugs were unlikely to improve people’s memory and thinking.

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A victim of its own success: how Taiwan failed to plan for a major Covid outbreak

Once a poster child for blocking coronavirus, Taiwan failed to fully prepare a pandemic response or vaccination rollout

While most of the world suffered through hundreds of millions of cases and millions of deaths from Covid-19, the 23.5 million people in Taiwan largely lived a normal life, thanks to a well-documented strong and early response that saw it go 250 days without a single local case. It lobbied for inclusion in the World Health Organization’s decision-making body off the back of its undeniable success and expertise under the slogan “Taiwan can help”.

But now the tables have turned and the island itself is in need of assistance, after an outbreak that started among airline staff in April spread across the island. The government appears to have been caught short by something it thought would never happen: the poster child for outbreak prevention had apparently failed to fully prepare an outbreak response.

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Could a third wave of Covid be more serious than UK’s first two?

Analysis: Concern over Delta variant means decision on ending restrictions on 21 June hangs in balance

Summer has nearly arrived and the UK is beginning to unlock from coronavirus restrictions, with a full lifting still on the cards in England on 21 June.

Yet the spectre of the Delta variant is casting an ominous shadow, with concerns it could fuel a third wave. So just how serious could the next peak be – and could it be more serious than Britain’s first two waves?

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My best friend at school moved in with us – and taught me to trust again

How a close and enduring relationship forged in the school playground turned my life around

My school bully came in an unlikely package. She was a bushy-haired, bespectacled, briefcase-carrying pocket rocket who made my life miserable for a significant portion of Year 8 when I was 12 years old. I met her on the first day at our large and rowdy comprehensive school. With all my existing friends assigned to different forms, I was on high alert for someone to attach myself to as soon as possible. With her outwardly gawky appearance, she seemed like the ideal candidate and I approached her with the rather arrogant assumption that she would jump at the chance of my friendship.

It didn’t take me long to realise I’d severely misjudged the situation. Her meek physical persona belied a serious rebellious streak and I struggled to keep up from the start. When she dared me to join her in “the jungle” – a wooded area of the school grounds off limits to students, I shakily agreed. We eluded capture from the lunchtime supervisors who patrolled its perimeters, but my time in the jungle brought me little exhilaration or pleasure. More tests and challenges soon followed, all proposed with a glint in her eye that I came to dread.

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Covid Delta variant ‘about 40% more transmissible’, says Matt Hancock

Under-30s to be offered jabs from next week but variant makes decision on easing rules in England ‘more difficult’

The new Delta variant of coronavirus appears to be about 40% more transmissible than the variant it has largely replaced, Matt Hancock has said, making government decisions about whether to ease restrictions in England on 21 June “more difficult”.

Saying that under-30s in England will be called to begin vaccinations from next week, the health secretary confirmed it was still possible the reopening programme could be delayed or some rules kept in place.

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Data on Delta variant splits scientists on lifting final Covid restrictions

Sage group advises against easing social distancing on 21 June, but others say it is too early to assess risks

Health experts remain divided over the dangers posed by the new Delta variant of Covid-19 and the risks it poses to the nation as ministers consider whether or not to lift lockdown later this month.

Some argue that the new variant, first identified in India, is a significantly increased threat to the UK and have urged that delays be imposed on the total removal of social restrictions, due on 21 June.

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HIV after Covid: Anthony Fauci and an army of researchers seek to regain momentum

In the summer of 1981, public health professionals faced a terrifying crisis. Their work helped shape victories against the current pandemic – but some fear hard-won ground is lost

As Anthony Fauci marks 40 years since HIV emerged, he regrets how the extraordinary disruptions that Covid-19 have wreaked upon society have hampered efforts to tackle the major pandemic that preceded it.

Related: 'Brand-new disease, no treatment, no cure': how Anthony Fauci's fight against Aids prepared him to tackle Covid-19

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Why self-belief is a superpower that can be harnessed

Lockdowns may have eroded people’s swagger, but research suggests there are ways to remedy the situation

In July 2007, the Irish golfer Padraig Harrington won one of golf’s most coveted competitions, the British Open. The story of how he did this, one of the most remarkable finishes in golfing history, illustrates one of the ways confidence works.

The Claret Jug – the Open’s famous prize – was within Harrington’s grasp as he teed off at the penultimate hole of the tournament. He had a one-shot lead on his arch-rival, Sergio García. He was entirely in the zone – “I am literally the most confident person at that point in time,” he said later. Then, something strange happened – a twinge of doubt came out of nowhere at the top of his back swing and he sliced the ball into the murky waters of the notorious Barry Burn river.

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‘We are born hungry for faces’: why are they so compelling?

We’ve spent a year obscured by masks and pixellated by Zoom. Are you ready to go back to reading real-life facial expressions in all their fascinating glory?

This has been the year of a thousand faces. Every face is an inch or two high on my laptop screen, and trapped inside a rectangle. The rectangles form a wall of faces that builds up brick by brick. As each new face arrives, the wall shifts and rearranges itself. Outside, in the real world, other people’s faces have been frustratingly elusive, half-hidden by masks. Or they have averted their gaze, focused on completing their essential journeys and not wishing to exchange their spittle with mine. But here the faces keep coming, popping up magically from wherever they are in the world, happy to be seen.

During lulls in meetings, my eyes scan the virtual room. You can look long and hard at people’s faces online in a way that would be rude in real life. I have never before paid this much attention to how a hairline runs along the top of a forehead, or an eye sits in its socket, or a jawline segues into a neck. I hadn’t noticed how vulnerable faces are – so soft, fleshy and bruisable – and how mercurially they move between moods. The faces look by turns dazed, dogged, sweetly attentive, full of faraway thoughts that no one could guess at, and as if they are trying hard to be bright-eyed and smiley but might suddenly dissolve into tears. It’s been that kind of year.

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Ancient tsunami could have wiped out Scottish cities today, study finds

Research maps the extent of the catastrophic Storegga tsunami 8,200 years ago for the first time

Towns and cities across Scotland would be devastated if the country’s coastline was hit by a tsunami of the kind that happened 8,200 years ago, according to an academics’ study.

While about 370 miles of Scotland’s northern and eastern coastline were affected when the Storegga tsunami struck, the study suggests a modern-day disaster of the same magnitude would have worse consequences.

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SpaceX rocket heads to ISS with a supply of squid, toothpaste and avocados

Rocket due to reach the International Space Station this weekend is loaded with 7,300lb of fresh food and supplies for an orbiting lab

SpaceX has launched a supply mission bound for the International Space Station on Thursday, carrying with it thousands of tiny sea creatures along with a plaque-fighting toothpaste experiment and powerful solar panels.

The 7,300lb (3,300kg) shipment – which also includes fresh lemons, onions, avocados and cherry tomatoes for the station’s seven astronauts – should arrive Saturday.

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Drug may help more women survive hereditary breast cancer

International trials of olaparib were stopped early as benefits of ‘groundbreaking’ drug became clear

Women with hereditary breast cancer, triggered by the BRCA1 or BRCA2 genes, stand a better chance of survival following successful trials of a drug that cuts the likelihood of the cancer returning after treatment.

A major trial carried out by academic researchers to see whether olaparib can prevent recurrence was stopped early – after two-and-a-half years instead of the planned 10 years – when the benefits of the drug became clear.

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UK tightens borders and travel rules as variants spark new alarm

PHE data indicates dominant variant ‘more likely to cause serious illness’ as Grant Shapps warns of threat to reopening on 21 June

Ministers have moved to tighten Britain’s borders as new data suggests the Delta coronavirus variant is much more likely to cause serious illness and is circulating more rapidly within schools.

With England’s reopening on 21 June hanging in the balance, the government removed Portugal from the green list of countries and added seven more countries to the red list – moves that provoked fury within the travel industry and left many holidaymakers in limbo.

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Coronavirus live news: Italy opens vaccinations for all over-12s; over 2bn Covid jabs given worldwide

After a slow start, Italy has now given 35m doses to adults; Johns Hopkins figures show Israel remains most vaccinated country

The UK has recorded 5,274 new cases - the highest daily figure since March. There were 18 deaths reported within 28 days of a positive test.

Airlines and travel firms have reacted with dismay to the latest UK government guidance on foreign holidays, saying it has “failed on a promise” to the industry to provide greater notice on its directives.

PA has the story:

Many were angry at the lack of consultation and said it risked the summer being ruined for the struggling sector.

John Holland-Kaye, boss of Heathrow, the UK’s largest airport, said: “Ministers spent last month hailing the restart of international travel, only to close it down three weeks later all but guaranteeing another lost summer for the travel sector.

Related: Portugal removed from ‘green list’ of Covid travel destinations

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Climate tipping points could topple like dominoes, warn scientists

Analysis shows significant risk of cascading events even at 2C of heating, with severe long-term effects

Ice sheets and ocean currents at risk of climate tipping points can destabilise each other as the world heats up, leading to a domino effect with severe consequences for humanity, according to a risk analysis.

Tipping points occur when global heating pushes temperatures beyond a critical threshold, leading to accelerated and irreversible impacts. Some large ice sheets in Antarctica are thought to already have passed their tipping points, meaning large sea-level rises in coming centuries.

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Covid variants: how much protection do the different vaccines offer?

While restrictions in England could lift soon, impact of Delta variant on vaccination programme is uncertain

On Wednesday Boris Johnson said he saw nothing in the current data to stop the planned lifting of Covid restrictions in England on 21 June. But he said questions remained over how much protection the current vaccines offered against the Delta variant, B.1.617.2.

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Nasa plans return to Venus with two missions by 2030

Nasa sets aside $1bn for two ventures, which will be first US exploration of the planet since 1989

Nasa is returning to Venus for the first time in more than three decades to gain a better understanding of the history of what scientists believe could have been the first habitable planet in the solar system.

Plans for two separate and ambitious deep space missions to Earth’s nearest neighbour were announced on Wednesday by the head of the US space agency, Bill Nelson. Launches were targeted for a 2028-2030 time frame, he said.

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‘Zero’: how the UK papers covered a day without a single reported Covid death

All eyes now turn to whether this makes an easing of England’s Covid measures on 21 June more likely

Good news is broadcast across Wednesday’s front pages, as editors seize a rare opportunity to report on hope in the battle against the coronavirus.

Many papers suggest that the first day without a single Covid death for 10 months means the complete easing of lockdown restrictions will go ahead in England as planned on 21 June.

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UK Covid dashboard showing ‘zero deaths’ but also flashing warning signals

Analysis: vaccine programme could sever link between infections and deaths but there are reasons to be seriously doubtful

For those who are urging the government to push ahead with easing of lockdown restrictions later this month, Tuesday’s announcement of ‘zero deaths’ in the UK will be cited as further proof of the necessity to end the delay.

Certainly, the country has come a long way since the new year Covid surge, when the daily number of infections reached a peak of more than 68,000, and the number of people in hospital would later rise to almost 40,000. Daily death tolls of more than 1,000 were common during the bleakest weeks of winter.

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