Childish Gambino choreographer urges fans to step up for young rural Africans

Sherrie Silver, who was behind acclaimed video This is America, launches virtual dance ‘petition’ to promote investment in farming

She made a name for herself as the choreographer behind one of the most controversial yet critically acclaimed music videos of last year.

Now Sherrie Silver, the creative force behind the dance moves in Childish Gambino’s This Is America, is using her success to drive a social media campaign promoting investment in young people in rural Africa.

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SpaceX satellites could blight the night sky, warn astronomers

Elon Musk’s Starlink internet satellites ‘have no public consensus and may impair view of the cosmos’

Mega constellations of human-made satellites could soon blight the view of the night sky, astronomers warned following the launch of Elon Musk’s Starlink probes last week.

The first 60 of an intended 12,000 satellites were successfully blasted into orbit on Thursday by Musk’s company, SpaceX, which plans to use them to beam internet communication from space down to Earth.

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Exploding stars led to humans walking on two legs, radical study suggests

Scientists say surge of radiation led to lightning causing forest fires, making adaptation vital

It was the evolutionary leap that defined the species: while other apes ambled around on all fours, the ancestors of humans rose up on two legs and, from that lofty position, went on to conquer the world.

The benefits of standing tall in the African savannah are broadly nailed down, but what prompted our distant forebears to walk upright is far from clear. Now, in a radical proposal, US scientists point to a cosmic intervention: protohumans had a helping hand from a flurry of exploding stars, they say.

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Italy’s new ruins: heritage sites being lost to neglect and looting

Overgrown and weathered, many historical monuments are disappearing as public funds for culture fail to match modern Italy’s inheritance

Legend has it that the grotto hidden among the craggy cliffs on San Marco hill in Sutera in the heart of Sicily holds a treasure chest full of gold coins. In order to find it, three men must dream simultaneously about the precise place to dig.

Treasure or no treasure, the grotto itself is an archaeological gem, its walls adorned with a multi-coloured Byzantine-esque 16th-century fresco depicting Jesus, the Virgin Mary and Saints Paulinus, Luke, Mark and Matthew.

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Murray Gell-Mann, Nobel Prize-winning physicist who named quarks, dies at 89

  • 1969 Nobel laureate helped discover subatomic particles
  • Death confirmed by Santa Fe Institute he co-founded

Murray Gell-Mann, the Nobel-winning physicist who brought order to the universe by helping discover and classify subatomic particles, has died. He was 89.

Related: Video: Murray Gell-Mann on ditching what 'everybody knows'

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Top UK scientist urges people to take vitamin D supplements

Geneticist Steve Jones, formerly a sceptic, says case for doing so is overwhelming

One of Britain’s leading scientists has urged people to take vitamin D supplements, particularly children, who spend an hour less outside than they did 10 years ago.

The geneticist Steve Jones told the Hay literary festival in Wales the health case for taking them was now overwhelming. “I never thought I would be a person who would take vitamin supplements, I always thought it was absolute nonsense, it’s homeopathy. I now take vitamin D every day,” he said.

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Women are happier without children or a spouse, says happiness expert

Behavioural scientist Paul Dolan says traditional markers of success no longer apply

We may have suspected it already, but now the science backs it up: unmarried and childless women are the happiest sub-group in the population. And they are more likely to live longer than their married and child-rearing peers, according to a leading expert in happiness.

Speaking at the Hay festival on Saturday, Paul Dolan, a professor of behavioural science at the London School of Economics, said the latest evidence showed that the traditional markers used to measure success did not correlate with happiness – particularly marriage and raising children.

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Humans causing shrinking of nature as larger animals die off

Average size of wild animals predicted to fall by a quarter in 100 years through extinctions

Humanity’s ongoing destruction of wildlife will lead to a shrinking of nature, with the average body size of animals falling by a quarter, a study predicts.

The researchers estimate that more than 1,000 larger species of mammals and birds will go extinct in the next century, from rhinos to eagles. They say this could lead to the collapse of ecosystems that humans rely on for food and clean water.

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Canadian Arctic fossils are oldest known fungus on Earth

Fungus is half a billion years older than previous record holder found in Wisconsin

Tiny fossils found in mudrock in the barren wilderness of the Canadian Arctic are the remains of the oldest known fungus on Earth, scientists say.

The minuscule organisms were discovered in shallow water shale, a kind of fine-grained sedimentary rock, in a region south of Victoria island on the edge of the Arctic Ocean.

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DNA test proves former care worker is entitled to £50m country estate

Jordan Adlard Rogers inherits 1,536-acre Cornwall estate after proving owner was his father

A former care worker has inherited a £50m country estate after a DNA test proved he was the son of its deceased owner.

Jordan Adlard Rogers, 31, found out his father was the aristocrat Charles Rogers after his death in 2018 and has now moved into the 1,536-acre Penrose estate in Cornwall, which his family has lived in for generations.

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Pushy bonobo mothers help sons find sexual partners, scientists find

High-ranking mothers lead sons to groups of females and keep guard while they mate

Their mothers are so keen for them to father children that they usher them in front of promising partners, shield them from violent competitors and dash the chances of other males by charging them while they are at it.

For a bonobo mother, it is all part of the parenting day, and analysis finds the hard work pays off. Males of the species that live with their mothers are three times more likely to father offspring than those whose mothers are absent.

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Julianna Margulies on her shocking Ebola drama: ‘I panicked in my hazmat suit!’

The star of ER and The Good Wife is back – as a doctor fighting to save humanity. She gives her bodyguard the slip to talk about our imperilled planet – and her love of Sussex A-roads

Before I meet Julianna Margulies, I spend three days staring at her bodyguard. He’s impossible to miss: one of those men whose every attempt to blend in flounders. Margulies and I are in Lille, judges at the Series Mania television festival, although our experiences differ a little. My cloak of anonymity allows me to roam the city unpestered. Margulies, however, has been a TV mainstay for 25 years, with roles in two juggernaut shows, ER and The Good Wife. Everybody knows who she is, hence Muscles.

He’s even there at the start of our interview, looming in the doorway of our room at the Chamber of Commerce. As I ease past and close the door, I ask if it isn’t a pain being constantly tailed. She smiles and says: “Three years ago, I was the guest of honour when they held this festival in Paris. When I get there, they say, ‘We have detail for you.’ I say, ‘Guys, I don’t need a bodyguard.’ But they won’t budge. We get to the hotel and I say to my bodyguard, ‘My husband and I are going out to lunch. You go home, please.’ So we left the hotel and I’ve never seen anything like it. People were everywhere. We backed into the hotel and my husband called the bodyguard and said, ‘We made a mistake!’ He said, ‘I know – I’m just around the corner.’”

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‘Extraordinary thinning’ of ice sheets revealed deep inside Antarctica

New research shows affected areas are losing ice five times faster than in the 1990s, with more than 100m of thickness gone in some places

Ice losses are rapidly spreading deep into the interior of the Antarctic, new analysis of satellite data shows.

The warming of the Southern Ocean is resulting in glaciers sliding into the sea increasingly rapidly, with ice now being lost five times faster than in the 1990s. The West Antarctic ice sheet was stable in 1992 but up to a quarter of its expanse is now thinning. More than 100 metres of ice thickness has been lost in the worst-hit places.

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Cambridge scientists create world’s first living organism with fully redesigned DNA

Researchers create altered synthetic genome, in move with potential medical benefits

Scientists have created the world’s first living organism that has a fully synthetic and radically altered DNA code.

The lab-made microbe, a strain of bacteria that is normally found in soil and the human gut, is similar to its natural cousins but survives on a smaller set of genetic instructions.

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‘It would destroy it’: new international airport for Machu Picchu sparks outrage

Peruvian archaeologists decry new airport that would carry tourists directly to already fragile Inca citadel

Among the Inca archeological sites that abound in Peru, none draw nearly as many tourists as the famed citadel of Machu Picchu. There were more than 1.5 million visitors in 2017, almost double the limit recommended by Unesco, putting a huge strain on the fragile ruins and local ecology.

Now, in a move that has drawn a mixture of horror and outrage from archaeologists, historians and locals, work has begun on clearing ground for a multibillion-dollar international airport, intended to jet tourists much closer to Machu Picchu .

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Germany’s AfD turns on Greta Thunberg as it embraces climate denial

Rightwing populists to launch attack on climate science in vote drive before EU elections

Germany’s rightwing populists are embracing climate change denial as the latest topic with which to boost their electoral support, teaming up with scientists who claim hysteria is driving the global warming debate and ridiculing the Swedish climate activist Greta Thunberg as “mentally challenged” and a fraud.

The Alternative für Deutschland party (AfD) is expected to launch its biggest attack yet on mainstream climate science at a symposium in parliament on Tuesday supported by a prominent climate change denial body linked by researchers to prominent conservative groups in the US.

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100 years on: the picture that changed our view of the universe

Arthur Eddington’s photograph of the 1919 solar eclipse proved Einstein right and ushered in a century where gravity was king

A hundred years ago this month, the British astronomer Arthur Eddington arrived at the remote west African island of Príncipe. He was there to witness and record one of the most spectacular events to occur in our heavens: a total solar eclipse that would pass over the little equatorial island on 29 May 1919.

Observing such events is a straightforward business today, but a century ago the world was still recovering from the first world war. Scientific resources were meagre, photographic technology was relatively primitive, and the hot steamy weather would have made it difficult to focus instruments. For good measure, there was always a threat that clouds would blot out the eclipse.

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One-off injection may drastically reduce heart attack risk

Doctors hope to trial gene therapy on people with rare disorder in next three years

Doctors in the US have announced plans for a radical gene therapy that aims to drastically reduce the risk of heart attack, the world’s leading cause of death, with a one-off injection.

The researchers hope to trial the therapy within the next three years in people with a rare genetic disorder that makes them prone to heart attacks in their 30s and 40s. If the treatment proves safe and effective in the patients, doctors will seek approval to offer the jab to a wider population.

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Climate crisis: flooding threat ‘may force UK towns to be abandoned’

Environment Agency calls for urgent action to protect country from river and coastal floods

Entire communities might need to be moved away from coasts and rivers as the UK takes urgent action to prepare for an average global temperature rise of 4C, the Environment Agency warned.

The agency said on Thursday that difficult decisions would have to be taken in the coming years to make sure the UK was resilient amid flooding that would not be held back by higher land defences.

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Teenager recovers from near death in world-first GM virus treatment

Bacteria-killing viruses known as phages offer hope of solution to antibiotic resistance

A British teenager has made a remarkable recovery after being the first patient in the world to be given a genetically engineered virus to treat a drug-resistant infection.

Isabelle Holdaway, 17, nearly died after a lung transplant left her with an intractable infection that could not be cleared with antibiotics. After a nine-month stay at Great Ormond Street hospital, she returned to her home in Kent for palliative care, but recovered after her consultant teamed up with a US laboratory to develop the experimental therapy.

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