"Part of brain network much bigger in people with depression."

Views expressed in this science and technology update are those of the reporters and correspondents.  Accessed on 05 September 2024, 1530 UTC.

Content and Source:  https://www.theguardian.com

Please check link or scroll down to read your selections.  Thanks for joining us today.

Russ Roberts (https://hawaiisciencejournal.blogspot.com).

 

Science | The Guardian

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Part of brain network much bigger in people with depression, scientists find

400+Science | The Guardian / 1d

Research suggests expanded frontostriatal salience network could be risk factor for developing condition Researchers have gained new insight into how and why some people experience depression after finding a particular brain network is far bigger in people living with the condition. The surface of the brain is a communication junction box at which different areas talk to each other to carry out p

The ‘staggering’ rise in childhood anxiety is not a mental health crisis | Letters

500+Science | The Guardian / 1d

Pathologising young people is less effective than tackling the social causes of their worries, suggest clinical psychologists Dr Lucy Johnstone and Dr Helen Care . Plus, letters from a concerned grandparent and Linda Karlsen The “staggering” rise in anxiety among children ( NHS referrals for anxiety in children more than double pre-Covid levels, 27 August ) deserves a more sophisticated response

Treating eyesight issues could prevent one in five dementia cases, study finds

Science | The Guardian / 19min

Up to 19% of dementia cases in older people could be attributed to vision impairments, research suggests Up to one in five cases of dementia in older people might be avoided if problems with eyesight are prevented or treated, research has suggested. According to the World Health Organization, there are about 55 million people living with dementia globally. Continue reading...

Yesterday

‘They’d ask me: “Do you want to die today?”’ How I was kidnapped by pirates – and rescued by US Navy Seals

Science | The Guardian / 6h

In 2011, aid worker Jessica Buchanan was taken captive in Somalia. It was more than three months before she was freed – and every day felt like it might be her last In the first moments of her kidnapping, Jessica Buchanan’s brain seized up, her mind went blank – but her body knew. Her experience of terror was physical. She struggled to breathe. She somehow turned icy cold, while at the same time

The race to understand mpox – podcast

Science | The Guardian / 11h

Last month the World Health Organization declared the recent mpox outbreak that began in the Democratic Republic of the Congo a public health emergency of international concern. As scientists race to find out more about the new strain, Ian Sample talks to Trudie Lang, professor of global health research and director of the global health network at the University of Oxford, to find out what we sti

A cool flame: how Gaia theory was born out of a secret love affair

Science | The Guardian / 11h

Scientist James Lovelock gave humanity new ways to think about our home planet – but some of his biggest ideas were the fruit of a passionate collaboration Love rarely gets the credit it deserves for the advancement of science. Nor, for that matter, does hatred, greed, envy or any other emotion. Instead, this realm of knowledge tends to be idealised as something cold, hard, rational, neutral and

Air pollution harms male fertility while women face similar risk from noise, study finds

32Science | The Guardian / 16h

Environmental pollutants may have different effects on male and female reproduction, research in BMJ suggests Air pollution is associated with a higher infertility risk in men, while noise pollution is associated with a higher risk of infertility in women, a study has found. The study , which has been peer-reviewed and published in the BMJ, looked at whether long-term exposure to road traffic noi

Airbus trials prototype space rovers in Bedfordshire quarry

Science | The Guardian / 18h

Fitted with robotic arms and navigation cameras, the rovers are being developed for mooted missions to the moon and Mars Two space rover prototypes that could be used to help search for life on Mars are being trialled at a quarry in Bedfordshire. The robots are being put through their paces by the European aerospace giant Airbus, which is considering using the technology to aid missions to the mo

Apollo 13: Survival review – fascinating, if clinical, retelling of space history

40Science | The Guardian / 19h

Netflix’s archival documentary relives the near-fatal explosion of 1970 with remarkable and urgent footage On paper, the survival of three astronauts aboard Apollo 13, a Nasa spacecraft bound for the moon and imperiled by a near-fatal explosion in April 1970, is nothing short of astounding. The explosion, over two days and 210,000 miles into the mission, nearly drained the three-part spacecraft o

Romans’ siege wall in Masada may have been built in a fortnight, study finds

Science | The Guardian / 23h

New archaeological research adds to view that siege may have been quicker and more efficient than was thought The Roman siege of Jewish rebels in Masada, one of the founding myths of modern Israel, may have been far quicker and more efficient and brutal than it has been traditionally represented as, according to new archaeological research. The end of the AD72-73 Jewish Revolt is conventionally d

Physicist MV Ramana on the problem with nuclear power

Science | The Guardian / 1d

Nuclear is costly, risky and slow, Ramana says. Why then, he asks in his new book, do governments still champion it? You would be forgiven for thinking that the debate on nuclear power is pretty much settled. Sure, there are still some naysayers, but most reasonable people have come to realise that in an age of climate crisis, we need low-carbon nuclear energy – alongside wind and solar power – t

Sep 3, 2024

Concussion risks are outweighed by benefits of amateur sport, study finds

81Science | The Guardian / 1d

Surprise results from analysis of 15,000 individuals Risks in professional sport are different, authors stress A major new study has found that concussions in amateur sport are not linked to greater long-term risks of cognitive decline – and that playing sport may potentially have a “protective” effect on the brain. The surprise results – published in the Journal of Neurology, Neurosurgery and Ps

Dogs can remember names of toys years after not seeing them, study shows

Science | The Guardian / 1d

Research into canine cognition suggests some pets store object names in long-term memory Dog owners may have trouble remembering which toy is Mr Squeaky, but such names can be seared into the memory of their pets, researchers have found. Scientists previously discovered some dogs have a remarkable ability to learn the names of toys, with a border collie known as Chaser having learned the labels o

Mobile phones not linked to brain cancer, biggest study to date finds

Cellphones not linked to brain cancer

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200+Science | The Guardian / 2d

Some 63 studies from 1994 to 2022 have been analysed by Australian researchers commissioned by the World Health Organization Mobile phones are not linked to brain and head cancers, a comprehensive reviewof the highest quality evidence available commissioned by the World Health Organization has found. Led by the Australian Radiation Protection and Nuclear Safety Agency (Arpansa), the systematic re

Inside the camp on the frontline of the DRC’s mpox epidemic – in pictures

Science | The Guardian / 2d

With more than 16,000 cases recorded so far this year, the Democratic Republic of the Congo (DRC) is at the centre of the mpox epidemic that led the World Health Organization to declare it a global public health emergency. Photographer Moses Sawasawa visited Goma to report on the outbreak Continue reading...

Sep 2, 2024

Jupiter’s moon Ganymede was struck by asteroid bigger than dinosaur-killing rock

Science | The Guardian / 2d

Impact may have caused largest moon in solar system to swing on its axis, say scientists The largest moon in the solar system was struck by an ancient asteroid 20 times bigger than the rock that clattered into Earth and ended the reign of the dinosaurs 66m years ago, research suggests. The devastating impact took place 4bn years ago and caused Ganymede, one of nearly 100 known moons of Jupiter, t

The arrest of Telegram’s founder, and what it means for social media – podcast

Telegram CEO Durov arrested in France

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Science | The Guardian / 2d

The arrest of Telegram’s founder and CEO in Paris last month has thrown the spotlight on the messaging app and its approach to content moderation. Madeleine Finlay hears from Russian affairs reporter Pjotr Sauer and technology journalist Alex Hern about how the case could influence how social media companies approach problematic content on their platforms Clips: Global News, NBC News ‘Internet pr

Nasa astronaut hears ‘strange noise’ coming from Boeing Starliner spacecraft – audio

Astronauts report strange noises in space

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Science | The Guardian / 2d

The Nasa astronaut Butch Wilmore reported a 'strange noise' coming from the stricken Boeing Starliner space capsule whose problems have left him and colleague Suni Williams stuck in orbit for six months longer than they anticipated when they blasted off from Earth in June. Wilmore radioed mission control in Houston on Saturday to report a pulsing sound from a speaker inside the capsule. The sourc

Did you solve it? An object that defies common sense

Science | The Guardian / 2d

The answer to today’s puzzle Earlier today I set you the following counterintuitive puzzle, about a curious object that fits through a small hole, but not through a big one. Here it is again with solutions. Continue reading...

Scientists find seismic role in formation of large gold nuggets

300+Science | The Guardian / 3d

Forces unleashed by quakes squeeze quartz enough to generate electric fields, driving formation of deposits Chunky gold nuggets tend to form far underground along fracture lines that run through quartz, but the reason why has never been nailed down. Now, scientists have proposed an explanation for the effect: the immense forces unleashed by earthquakes squeeze quartz enough to generate electric f

Nasa astronaut reports ‘strange noise’ from Boeing Starliner spacecraft

Astronauts report strange noises in space

•

Science | The Guardian / 3d

Butch Wilmore reports pulsing sounds from capsule dogged with issues and set to return without astronauts The Nasa astronaut Butch Wilmore has reported a “strange noise” coming from the stricken Boeing Starliner space capsule whose problems have left him and his colleague Suni Williams stuck in orbit for six months longer than they anticipated when they blasted off from earth in June. Wilmore rad

Sep 1, 2024

Can you solve it? An object that defies common sense

42Science | The Guardian / 3d

Window pain UPDATE: Read the answer here Today’s puzzle is about defenestration. Now there’s a word I’ve never used in this column before. Continue reading...

Strongman’s ‘guy rope’ muscles show greatest growth, study finds

Science | The Guardian / 3d

Scientists who examined Eddie Hall say findings suggest set of muscles in the legs are ‘more important than we thought’ Gym-goers who want to pump the heaviest weights might figure that bulging thighs and bulky buttocks are the path to greater power. But a study involving one of the world’s strongest men found that a set of slender, rope-like muscles that typically get far less attention could be

Starwatch: Mercury reaches its greatest western elongation

Science | The Guardian / 3d

Early risers will get a prime opportunity to glimpse the planet as it moves to its furthest point west from the sun This week, on 5 September, Mercury will reach the astronomical configuration known as greatest western elongation. This is the point at which Mercury will be at its furthest point west from the sun, as viewed from Earth. It offers a prime opportunity to catch a glimpse of the elusiv

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 "9 mythical places archaeologists think actually existed."

Views expressed in this science and technology update are those of the reporters and correspondents.  Accessed on 05 September 2024, 0222 UTC.

Content and Source:  https://www.smithsonianmag.com.

Please check link or scroll down to read your selections.  Thanks for joining us today.

Russ Roberts (https://hawaiisciencejournal.blogspot.com).

Wednesday, September 4, 2024 View in Browser

Tintagel Castle, a dramatic 13th century fortress on the rocky coast of Cornwall, England, has been associated with King Arthur. (Peter Unger/Getty Images)

Nine Mythical Places Archaeologists Think May Have Actually Existed

Historical evidence is helping to pinpoint the exact locations of fabled sites, from King Arthur’s castle to Solomon’s Temple
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On this day in A.D. 476, Romulus Augustulus was deposed by the "barbarian king" Odoacer, and the Western Roman Empire fell after around 500 years, heralding the start of the Middle Ages. Learn how climate change and plague may have contributed to the superpower's decline.
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